text: /* vi:set ts=8 sts=4 sw=4 noet:
   *
   * VIM - Vi IMproved	by Bram Moolenaar
   *
   * Do ":help uganda"  in Vim to read copying and usage conditions.
   * Do ":help credits" in Vim to see a list of people who contributed.
   * See README.txt for an overview of the Vim source code.
   */
  /*
   * search.c: code for normal mode searching commands
   */
  
  #include "vim.h"
  
  #ifdef FEAT_EVAL
  static void set_vv_searchforward(void);
  static int first_submatch(regmmatch_T *rp);
  #endif
  static int check_prevcol(char_u *linep, int col, int ch, int *prevcol);
  static int inmacro(char_u *, char_u *);
  static int check_linecomment(char_u *line);
  static int cls(void);
  static int skip_chars(int, int);
  #ifdef FEAT_TEXTOBJ
  static void back_in_line(void);
  static void find_first_blank(pos_T *);
  static void findsent_forward(long count, int at_start_sent);
  #endif
  #ifdef FEAT_FIND_ID
  static void show_pat_in_path(char_u *, int,
  					 int, int, FILE *, linenr_T *, long);
  #endif
  #ifdef FEAT_VIMINFO
  static void wvsp_one(FILE *fp, int idx, char *s, int sc);
  #endif
  
  /*
   * This file contains various searching-related routines. These fall into
   * three groups:
   * 1. string searches (for /, ?, n, and N)
   * 2. character searches within a single line (for f, F, t, T, etc)
   * 3. "other" kinds of searches like the '%' command, and 'word' searches.
   */
  
  /*
   * String searches
   *
   * The string search functions are divided into two levels:
   * lowest:  searchit(); uses an pos_T for starting position and found match.
   * Highest: do_search(); uses curwin->w_cursor; calls searchit().
   *
   * The last search pattern is remembered for repeating the same search.
   * This pattern is shared between the :g, :s, ? and / commands.
   * This is in search_regcomp().
   *
   * The actual string matching is done using a heavily modified version of
   * Henry Spencer's regular expression library.  See regexp.c.
   */
  
  /* The offset for a search command is store in a soff struct */
  /* Note: only spats[0].off is really used */
  struct soffset
  {
      int		dir;		/* search direction, '/' or '?' */
      int		line;		/* search has line offset */
      int		end;		/* search set cursor at end */
      long	off;		/* line or char offset */
  };
  
  /* A search pattern and its attributes are stored in a spat struct */
  struct spat
  {
      char_u	    *pat;	/* the pattern (in allocated memory) or NULL */
      int		    magic;	/* magicness of the pattern */
      int		    no_scs;	/* no smartcase for this pattern */
      struct soffset  off;
  };
  
  /*
   * Two search patterns are remembered: One for the :substitute command and
   * one for other searches.  last_idx points to the one that was used the last
   * time.
   */
  static struct spat spats[2] =
  {
      {NULL, TRUE, FALSE, {'/', 0, 0, 0L}},	/* last used search pat */
      {NULL, TRUE, FALSE, {'/', 0, 0, 0L}}	/* last used substitute pat */
  };
  
  static int last_idx = 0;	/* index in spats[] for RE_LAST */
  
  static char_u lastc[2] = {NUL, NUL};	/* last character searched for */
  static int lastcdir = FORWARD;		/* last direction of character search */
  static int last_t_cmd = TRUE;		/* last search t_cmd */
  #ifdef FEAT_MBYTE
  static char_u	lastc_bytes[MB_MAXBYTES + 1];
  static int	lastc_bytelen = 1;	/* >1 for multi-byte char */
  #endif
  
  /* copy of spats[], for keeping the search patterns while executing autocmds */
  static struct spat  saved_spats[2];
  # ifdef FEAT_SEARCH_EXTRA
  /* copy of spats[RE_SEARCH], for keeping the search patterns while incremental
   * searching */
  static struct spat  saved_last_search_spat;
  static int	    saved_last_idx = 0;
  static int	    saved_no_hlsearch = 0;
  # endif
  
  static char_u	    *mr_pattern = NULL;	/* pattern used by search_regcomp() */
  #ifdef FEAT_RIGHTLEFT
  static int	    mr_pattern_alloced = FALSE; /* mr_pattern was allocated */
  #endif
  
  #ifdef FEAT_FIND_ID
  /*
   * Type used by find_pattern_in_path() to remember which included files have
   * been searched already.
   */
  typedef struct SearchedFile
  {
      FILE	*fp;		/* File pointer */
      char_u	*name;		/* Full name of file */
      linenr_T	lnum;		/* Line we were up to in file */
      int		matched;	/* Found a match in this file */
  } SearchedFile;
  #endif
  
  /*
   * translate search pattern for vim_regcomp()
   *
   * pat_save == RE_SEARCH: save pat in spats[RE_SEARCH].pat (normal search cmd)
   * pat_save == RE_SUBST: save pat in spats[RE_SUBST].pat (:substitute command)
   * pat_save == RE_BOTH: save pat in both patterns (:global command)
   * pat_use  == RE_SEARCH: use previous search pattern if "pat" is NULL
   * pat_use  == RE_SUBST: use previous substitute pattern if "pat" is NULL
   * pat_use  == RE_LAST: use last used pattern if "pat" is NULL
   * options & SEARCH_HIS: put search string in history
   * options & SEARCH_KEEP: keep previous search pattern
   *
   * returns FAIL if failed, OK otherwise.
   */
      int
  search_regcomp(
      char_u	*pat,
      int		pat_save,
      int		pat_use,
      int		options,
      regmmatch_T	*regmatch)	/* return: pattern and ignore-case flag */
  {
      int		magic;
      int		i;
  
      rc_did_emsg = FALSE;
      magic = p_magic;
  
      /*
       * If no pattern given, use a previously defined pattern.
       */
      if (pat == NULL || *pat == NUL)
      {
  	if (pat_use == RE_LAST)
  	    i = last_idx;
  	else
  	    i = pat_use;
  	if (spats[i].pat == NULL)	/* pattern was never defined */
  	{
  	    if (pat_use == RE_SUBST)
  		EMSG(_(e_nopresub));
  	    else
  		EMSG(_(e_noprevre));
  	    rc_did_emsg = TRUE;
  	    return FAIL;
  	}
  	pat = spats[i].pat;
  	magic = spats[i].magic;
  	no_smartcase = spats[i].no_scs;
      }
  #ifdef FEAT_CMDHIST
      else if (options & SEARCH_HIS)	/* put new pattern in history */
  	add_to_history(HIST_SEARCH, pat, TRUE, NUL);
  #endif
  
  #ifdef FEAT_RIGHTLEFT
      if (mr_pattern_alloced)
      {
  	vim_free(mr_pattern);
  	mr_pattern_alloced = FALSE;
      }
  
      if (curwin->w_p_rl && *curwin->w_p_rlc == 's')
      {
  	char_u *rev_pattern;
  
  	rev_pattern = reverse_text(pat);
  	if (rev_pattern == NULL)
  	    mr_pattern = pat;	    /* out of memory, keep normal pattern. */
  	else
  	{
  	    mr_pattern = rev_pattern;
  	    mr_pattern_alloced = TRUE;
  	}
      }
      else
  #endif
  	mr_pattern = pat;
  
      /*
       * Save the currently used pattern in the appropriate place,
       * unless the pattern should not be remembered.
       */
      if (!(options & SEARCH_KEEP) && !cmdmod.keeppatterns)
      {
  	/* search or global command */
  	if (pat_save == RE_SEARCH || pat_save == RE_BOTH)
  	    save_re_pat(RE_SEARCH, pat, magic);
  	/* substitute or global command */
  	if (pat_save == RE_SUBST || pat_save == RE_BOTH)
  	    save_re_pat(RE_SUBST, pat, magic);
      }
  
      regmatch->rmm_ic = ignorecase(pat);
      regmatch->rmm_maxcol = 0;
      regmatch->regprog = vim_regcomp(pat, magic ? RE_MAGIC : 0);
      if (regmatch->regprog == NULL)
  	return FAIL;
      return OK;
  }
  
  /*
   * Get search pattern used by search_regcomp().
   */
      char_u *
  get_search_pat(void)
  {
      return mr_pattern;
  }
  
  #if defined(FEAT_RIGHTLEFT) || defined(PROTO)
  /*
   * Reverse text into allocated memory.
   * Returns the allocated string, NULL when out of memory.
   */
      char_u *
  reverse_text(char_u *s)
  {
      unsigned	len;
      unsigned	s_i, rev_i;
      char_u	*rev;
  
      /*
       * Reverse the pattern.
       */
      len = (unsigned)STRLEN(s);
      rev = alloc(len + 1);
      if (rev != NULL)
      {
  	rev_i = len;
  	for (s_i = 0; s_i < len; ++s_i)
  	{
  # ifdef FEAT_MBYTE
  	    if (has_mbyte)
  	    {
  		int	mb_len;
  
  		mb_len = (*mb_ptr2len)(s + s_i);
  		rev_i -= mb_len;
  		mch_memmove(rev + rev_i, s + s_i, mb_len);
  		s_i += mb_len - 1;
  	    }
  	    else
  # endif
  		rev[--rev_i] = s[s_i];
  
  	}
  	rev[len] = NUL;
      }
      return rev;
  }
  #endif
  
      void
  save_re_pat(int idx, char_u *pat, int magic)
  {
      if (spats[idx].pat != pat)
      {
  	vim_free(spats[idx].pat);
  	spats[idx].pat = vim_strsave(pat);
  	spats[idx].magic = magic;
  	spats[idx].no_scs = no_smartcase;
  	last_idx = idx;
  #ifdef FEAT_SEARCH_EXTRA
  	/* If 'hlsearch' set and search pat changed: need redraw. */
  	if (p_hls)
  	    redraw_all_later(SOME_VALID);
  	set_no_hlsearch(FALSE);
  #endif
      }
  }
  
  /*
   * Save the search patterns, so they can be restored later.
   * Used before/after executing autocommands and user functions.
   */
  static int save_level = 0;
  
      void
  save_search_patterns(void)
  {
      if (save_level++ == 0)
      {
  	saved_spats[0] = spats[0];
  	if (spats[0].pat != NULL)
  	    saved_spats[0].pat = vim_strsave(spats[0].pat);
  	saved_spats[1] = spats[1];
  	if (spats[1].pat != NULL)
  	    saved_spats[1].pat = vim_strsave(spats[1].pat);
  #ifdef FEAT_SEARCH_EXTRA
  	saved_last_idx = last_idx;
  	saved_no_hlsearch = no_hlsearch;
  #endif
      }
  }
  
      void
  restore_search_patterns(void)
  {
      if (--save_level == 0)
      {
  	vim_free(spats[0].pat);
  	spats[0] = saved_spats[0];
  #if defined(FEAT_EVAL)
  	set_vv_searchforward();
  #endif
  	vim_free(spats[1].pat);
  	spats[1] = saved_spats[1];
  #ifdef FEAT_SEARCH_EXTRA
  	last_idx = saved_last_idx;
  	set_no_hlsearch(saved_no_hlsearch);
  #endif
      }
  }
  
  #if defined(EXITFREE) || defined(PROTO)
      void
  free_search_patterns(void)
  {
      vim_free(spats[0].pat);
      vim_free(spats[1].pat);
  
  # ifdef FEAT_RIGHTLEFT
      if (mr_pattern_alloced)
      {
  	vim_free(mr_pattern);
  	mr_pattern_alloced = FALSE;
  	mr_pattern = NULL;
      }
  # endif
  }
  #endif
  
  #ifdef FEAT_SEARCH_EXTRA
  /*
   * Save and restore the search pattern for incremental highlight search
   * feature.
   *
   * It's similar but differnt from save_search_patterns() and
   * restore_search_patterns(), because the search pattern must be restored when
   * cannceling incremental searching even if it's called inside user functions.
   */
      void
  save_last_search_pattern(void)
  {
      saved_last_search_spat = spats[RE_SEARCH];
      if (spats[RE_SEARCH].pat != NULL)
  	saved_last_search_spat.pat = vim_strsave(spats[RE_SEARCH].pat);
      saved_last_idx = last_idx;
      saved_no_hlsearch = no_hlsearch;
  }
  
      void
  restore_last_search_pattern(void)
  {
      vim_free(spats[RE_SEARCH].pat);
      spats[RE_SEARCH] = saved_last_search_spat;
  # if defined(FEAT_EVAL)
      set_vv_searchforward();
  # endif
      last_idx = saved_last_idx;
      set_no_hlsearch(saved_no_hlsearch);
  }
  
      char_u *
  last_search_pattern(void)
  {
      return spats[RE_SEARCH].pat;
  }
  #endif
  
  /*
   * Return TRUE when case should be ignored for search pattern "pat".
   * Uses the 'ignorecase' and 'smartcase' options.
   */
      int
  ignorecase(char_u *pat)
  {
      return ignorecase_opt(pat, p_ic, p_scs);
  }
  
  /*
   * As ignorecase() put pass the "ic" and "scs" flags.
   */
      int
  ignorecase_opt(char_u *pat, int ic_in, int scs)
  {
      int		ic = ic_in;
  
      if (ic && !no_smartcase && scs
  #ifdef FEAT_INS_EXPAND
  			     && !(ctrl_x_mode_not_default() && curbuf->b_p_inf)
  #endif
  								    )
  	ic = !pat_has_uppercase(pat);
      no_smartcase = FALSE;
  
      return ic;
  }
  
  /*
   * Return TRUE if pattern "pat" has an uppercase character.
   */
      int
  pat_has_uppercase(char_u *pat)
  {
      char_u *p = pat;
  
      while (*p != NUL)
      {
  #ifdef FEAT_MBYTE
  	int		l;
  
  	if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
  	{
  	    if (enc_utf8 && utf_isupper(utf_ptr2char(p)))
  		return TRUE;
  	    p += l;
  	}
  	else
  #endif
  	     if (*p == '\\')
  	{
  	    if (p[1] == '_' && p[2] != NUL)  /* skip "\_X" */
  		p += 3;
  	    else if (p[1] == '%' && p[2] != NUL)  /* skip "\%X" */
  		p += 3;
  	    else if (p[1] != NUL)  /* skip "\X" */
  		p += 2;
  	    else
  		p += 1;
  	}
  	else if (MB_ISUPPER(*p))
  	    return TRUE;
  	else
  	    ++p;
      }
      return FALSE;
  }
  
      char_u *
  last_csearch(void)
  {
  #ifdef FEAT_MBYTE
      return lastc_bytes;
  #else
      return lastc;
  #endif
  }
  
      int
  last_csearch_forward(void)
  {
      return lastcdir == FORWARD;
  }
  
      int
  last_csearch_until(void)
  {
      return last_t_cmd == TRUE;
  }
  
      void
  set_last_csearch(int c, char_u *s UNUSED, int len UNUSED)
  {
      *lastc = c;
  #ifdef FEAT_MBYTE
      lastc_bytelen = len;
      if (len)
  	memcpy(lastc_bytes, s, len);
      else
  	vim_memset(lastc_bytes, 0, sizeof(lastc_bytes));
  #endif
  }
  
      void
  set_csearch_direction(int cdir)
  {
      lastcdir = cdir;
  }
  
      void
  set_csearch_until(int t_cmd)
  {
      last_t_cmd = t_cmd;
  }
  
      char_u *
  last_search_pat(void)
  {
      return spats[last_idx].pat;
  }
  
  /*
   * Reset search direction to forward.  For "gd" and "gD" commands.
   */
      void
  reset_search_dir(void)
  {
      spats[0].off.dir = '/';
  #if defined(FEAT_EVAL)
      set_vv_searchforward();
  #endif
  }
  
  #if defined(FEAT_EVAL) || defined(FEAT_VIMINFO)
  /*
   * Set the last search pattern.  For ":let @/ =" and viminfo.
   * Also set the saved search pattern, so that this works in an autocommand.
   */
      void
  set_last_search_pat(
      char_u	*s,
      int		idx,
      int		magic,
      int		setlast)
  {
      vim_free(spats[idx].pat);
      /* An empty string means that nothing should be matched. */
      if (*s == NUL)
  	spats[idx].pat = NULL;
      else
  	spats[idx].pat = vim_strsave(s);
      spats[idx].magic = magic;
      spats[idx].no_scs = FALSE;
      spats[idx].off.dir = '/';
  #if defined(FEAT_EVAL)
      set_vv_searchforward();
  #endif
      spats[idx].off.line = FALSE;
      spats[idx].off.end = FALSE;
      spats[idx].off.off = 0;
      if (setlast)
  	last_idx = idx;
      if (save_level)
      {
  	vim_free(saved_spats[idx].pat);
  	saved_spats[idx] = spats[0];
  	if (spats[idx].pat == NULL)
  	    saved_spats[idx].pat = NULL;
  	else
  	    saved_spats[idx].pat = vim_strsave(spats[idx].pat);
  	saved_last_idx = last_idx;
      }
  # ifdef FEAT_SEARCH_EXTRA
      /* If 'hlsearch' set and search pat changed: need redraw. */
      if (p_hls && idx == last_idx && !no_hlsearch)
  	redraw_all_later(SOME_VALID);
  # endif
  }
  #endif
  
  #ifdef FEAT_SEARCH_EXTRA
  /*
   * Get a regexp program for the last used search pattern.
   * This is used for highlighting all matches in a window.
   * Values returned in regmatch->regprog and regmatch->rmm_ic.
   */
      void
  last_pat_prog(regmmatch_T *regmatch)
  {
      if (spats[last_idx].pat == NULL)
      {
  	regmatch->regprog = NULL;
  	return;
      }
      ++emsg_off;		/* So it doesn't beep if bad expr */
      (void)search_regcomp((char_u *)"", 0, last_idx, SEARCH_KEEP, regmatch);
      --emsg_off;
  }
  #endif
  
  /*
   * Lowest level search function.
   * Search for 'count'th occurrence of pattern 'pat' in direction 'dir'.
   * Start at position 'pos' and return the found position in 'pos'.
   *
   * if (options & SEARCH_MSG) == 0 don't give any messages
   * if (options & SEARCH_MSG) == SEARCH_NFMSG don't give 'notfound' messages
   * if (options & SEARCH_MSG) == SEARCH_MSG give all messages
   * if (options & SEARCH_HIS) put search pattern in history
   * if (options & SEARCH_END) return position at end of match
   * if (options & SEARCH_START) accept match at pos itself
   * if (options & SEARCH_KEEP) keep previous search pattern
   * if (options & SEARCH_FOLD) match only once in a closed fold
   * if (options & SEARCH_PEEK) check for typed char, cancel search
   * if (options & SEARCH_COL) start at pos->col instead of zero
   *
   * Return FAIL (zero) for failure, non-zero for success.
   * When FEAT_EVAL is defined, returns the index of the first matching
   * subpattern plus one; one if there was none.
   */
      int
  searchit(
      win_T	*win,		/* window to search in; can be NULL for a
  				   buffer without a window! */
      buf_T	*buf,
      pos_T	*pos,
      int		dir,
      char_u	*pat,
      long	count,
      int		options,
      int		pat_use,	/* which pattern to use when "pat" is empty */
      linenr_T	stop_lnum,	/* stop after this line number when != 0 */
      proftime_T	*tm UNUSED,	/* timeout limit or NULL */
      int		*timed_out UNUSED)  /* set when timed out or NULL */
  {
      int		found;
      linenr_T	lnum;		/* no init to shut up Apollo cc */
      colnr_T	col;
      regmmatch_T	regmatch;
      char_u	*ptr;
      colnr_T	matchcol;
      lpos_T	endpos;
      lpos_T	matchpos;
      int		loop;
      pos_T	start_pos;
      int		at_first_line;
      int		extra_col;
      int		start_char_len;
      int		match_ok;
      long	nmatched;
      int		submatch = 0;
      int		first_match = TRUE;
      int		save_called_emsg = called_emsg;
  #ifdef FEAT_SEARCH_EXTRA
      int		break_loop = FALSE;
  #endif
  
      if (search_regcomp(pat, RE_SEARCH, pat_use,
  		   (options & (SEARCH_HIS + SEARCH_KEEP)), &regmatch) == FAIL)
      {
  	if ((options & SEARCH_MSG) && !rc_did_emsg)
  	    EMSG2(_("E383: Invalid search string: %s"), mr_pattern);
  	return FAIL;
      }
  
      /*
       * find the string
       */
      called_emsg = FALSE;
      do	/* loop for count */
      {
  	/* When not accepting a match at the start position set "extra_col" to
  	 * a non-zero value.  Don't do that when starting at MAXCOL, since
  	 * MAXCOL + 1 is zero. */
  	if (pos->col == MAXCOL)
  	    start_char_len = 0;
  #ifdef FEAT_MBYTE
  	/* Watch out for the "col" being MAXCOL - 2, used in a closed fold. */
  	else if (has_mbyte
  		    && pos->lnum >= 1 && pos->lnum <= buf->b_ml.ml_line_count
  						    && pos->col < MAXCOL - 2)
  	{
  	    ptr = ml_get_buf(buf, pos->lnum, FALSE);
  	    if ((int)STRLEN(ptr) <= pos->col)
  		start_char_len = 1;
  	    else
  		start_char_len = (*mb_ptr2len)(ptr + pos->col);
  	}
  #endif
  	else
  	    start_char_len = 1;
  	if (dir == FORWARD)
  	{
  	    if (options & SEARCH_START)
  		extra_col = 0;
  	    else
  		extra_col = start_char_len;
  	}
  	else
  	{
  	    if (options & SEARCH_START)
  		extra_col = start_char_len;
  	    else
  		extra_col = 0;
  	}
  
  	start_pos = *pos;	/* remember start pos for detecting no match */
  	found = 0;		/* default: not found */
  	at_first_line = TRUE;	/* default: start in first line */
  	if (pos->lnum == 0)	/* correct lnum for when starting in line 0 */
  	{
  	    pos->lnum = 1;
  	    pos->col = 0;
  	    at_first_line = FALSE;  /* not in first line now */
  	}
  
  	/*
  	 * Start searching in current line, unless searching backwards and
  	 * we're in column 0.
  	 * If we are searching backwards, in column 0, and not including the
  	 * current position, gain some efficiency by skipping back a line.
  	 * Otherwise begin the search in the current line.
  	 */
  	if (dir == BACKWARD && start_pos.col == 0
  					     && (options & SEARCH_START) == 0)
  	{
  	    lnum = pos->lnum - 1;
  	    at_first_line = FALSE;
  	}
  	else
  	    lnum = pos->lnum;
  
  	for (loop = 0; loop <= 1; ++loop)   /* loop twice if 'wrapscan' set */
  	{
  	    for ( ; lnum > 0 && lnum <= buf->b_ml.ml_line_count;
  					   lnum += dir, at_first_line = FALSE)
  	    {
  		/* Stop after checking "stop_lnum", if it's set. */
  		if (stop_lnum != 0 && (dir == FORWARD
  				       ? lnum > stop_lnum : lnum < stop_lnum))
  		    break;
  #ifdef FEAT_RELTIME
  		/* Stop after passing the "tm" time limit. */
  		if (tm != NULL && profile_passed_limit(tm))
  		    break;
  #endif
  
  		/*
  		 * Look for a match somewhere in line "lnum".
  		 */
  		col = at_first_line && (options & SEARCH_COL) ? pos->col
  								 : (colnr_T)0;
  		nmatched = vim_regexec_multi(&regmatch, win, buf,
  					     lnum, col,
  #ifdef FEAT_RELTIME
  					     tm, timed_out
  #else
  					     NULL, NULL
  #endif
  						      );
  		/* Abort searching on an error (e.g., out of stack). */
  		if (called_emsg
  #ifdef FEAT_RELTIME
  			|| (timed_out != NULL && *timed_out)
  #endif
  			)
  		    break;
  		if (nmatched > 0)
  		{
  		    /* match may actually be in another line when using \zs */
  		    matchpos = regmatch.startpos[0];
  		    endpos = regmatch.endpos[0];
  #ifdef FEAT_EVAL
  		    submatch = first_submatch(&regmatch);
  #endif
  		    /* "lnum" may be past end of buffer for "\n\zs". */
  		    if (lnum + matchpos.lnum > buf->b_ml.ml_line_count)
  			ptr = (char_u *)"";
  		    else
  			ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE);
  
  		    /*
  		     * Forward search in the first line: match should be after
  		     * the start position. If not, continue at the end of the
  		     * match (this is vi compatible) or on the next char.
  		     */
  		    if (dir == FORWARD && at_first_line)
  		    {
  			match_ok = TRUE;
  			/*
  			 * When the match starts in a next line it's certainly
  			 * past the start position.
  			 * When match lands on a NUL the cursor will be put
  			 * one back afterwards, compare with that position,
  			 * otherwise "/$" will get stuck on end of line.
  			 */
  			while (matchpos.lnum == 0
  				&& ((options & SEARCH_END) && first_match
  				    ?  (nmatched == 1
  					&& (int)endpos.col - 1
  					     < (int)start_pos.col + extra_col)
  				    : ((int)matchpos.col
  						  - (ptr[matchpos.col] == NUL)
  					    < (int)start_pos.col + extra_col)))
  			{
  			    /*
  			     * If vi-compatible searching, continue at the end
  			     * of the match, otherwise continue one position
  			     * forward.
  			     */
  			    if (vim_strchr(p_cpo, CPO_SEARCH) != NULL)
  			    {
  				if (nmatched > 1)
  				{
  				    /* end is in next line, thus no match in
  				     * this line */
  				    match_ok = FALSE;
  				    break;
  				}
  				matchcol = endpos.col;
  				/* for empty match: advance one char */
  				if (matchcol == matchpos.col
  						      && ptr[matchcol] != NUL)
  				{
  #ifdef FEAT_MBYTE
  				    if (has_mbyte)
  					matchcol +=
  					  (*mb_ptr2len)(ptr + matchcol);
  				    else
  #endif
  					++matchcol;
  				}
  			    }
  			    else
  			    {
  				matchcol = matchpos.col;
  				if (ptr[matchcol] != NUL)
  				{
  #ifdef FEAT_MBYTE
  				    if (has_mbyte)
  					matchcol += (*mb_ptr2len)(ptr
  								  + matchcol);
  				    else
  #endif
  					++matchcol;
  				}
  			    }
  			    if (matchcol == 0 && (options & SEARCH_START))
  				break;
  			    if (ptr[matchcol] == NUL
  				    || (nmatched = vim_regexec_multi(&regmatch,
  					      win, buf, lnum + matchpos.lnum,
  					      matchcol,
  #ifdef FEAT_RELTIME
  					      tm, timed_out
  #else
  					      NULL, NULL
  #endif
  					      )) == 0)
  			    {
  				match_ok = FALSE;
  				break;
  			    }
  			    matchpos = regmatch.startpos[0];
  			    endpos = regmatch.endpos[0];
  # ifdef FEAT_EVAL
  			    submatch = first_submatch(&regmatch);
  # endif
  
  			    /* Need to get the line pointer again, a
  			     * multi-line search may have made it invalid. */
  			    ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE);
  			}
  			if (!match_ok)
  			    continue;
  		    }
  		    if (dir == BACKWARD)
  		    {
  			/*
  			 * Now, if there are multiple matches on this line,
  			 * we have to get the last one. Or the last one before
  			 * the cursor, if we're on that line.
  			 * When putting the new cursor at the end, compare
  			 * relative to the end of the match.
  			 */
  			match_ok = FALSE;
  			for (;;)
  			{
  			    /* Remember a position that is before the start
  			     * position, we use it if it's the last match in
  			     * the line.  Always accept a position after
  			     * wrapping around. */
  			    if (loop
  				|| ((options & SEARCH_END)
  				    ? (lnum + regmatch.endpos[0].lnum
  							      < start_pos.lnum
  					|| (lnum + regmatch.endpos[0].lnum
  							     == start_pos.lnum
  					     && (int)regmatch.endpos[0].col - 1
  							< (int)start_pos.col
  								+ extra_col))
  				    : (lnum + regmatch.startpos[0].lnum
  							      < start_pos.lnum
  					|| (lnum + regmatch.startpos[0].lnum
  							     == start_pos.lnum
  					     && (int)regmatch.startpos[0].col
  						      < (int)start_pos.col
  							      + extra_col))))
  			    {
  				match_ok = TRUE;
  				matchpos = regmatch.startpos[0];
  				endpos = regmatch.endpos[0];
  # ifdef FEAT_EVAL
  				submatch = first_submatch(&regmatch);
  # endif
  			    }
  			    else
  				break;
  
  			    /*
  			     * We found a valid match, now check if there is
  			     * another one after it.
  			     * If vi-compatible searching, continue at the end
  			     * of the match, otherwise continue one position
  			     * forward.
  			     */
  			    if (vim_strchr(p_cpo, CPO_SEARCH) != NULL)
  			    {
  				if (nmatched > 1)
  				    break;
  				matchcol = endpos.col;
  				/* for empty match: advance one char */
  				if (matchcol == matchpos.col
  						      && ptr[matchcol] != NUL)
  				{
  #ifdef FEAT_MBYTE
  				    if (has_mbyte)
  					matchcol +=
  					  (*mb_ptr2len)(ptr + matchcol);
  				    else
  #endif
  					++matchcol;
  				}
  			    }
  			    else
  			    {
  				/* Stop when the match is in a next line. */
  				if (matchpos.lnum > 0)
  				    break;
  				matchcol = matchpos.col;
  				if (ptr[matchcol] != NUL)
  				{
  #ifdef FEAT_MBYTE
  				    if (has_mbyte)
  					matchcol +=
  					  (*mb_ptr2len)(ptr + matchcol);
  				    else
  #endif
  					++matchcol;
  				}
  			    }
  			    if (ptr[matchcol] == NUL
  				    || (nmatched = vim_regexec_multi(&regmatch,
  					      win, buf, lnum + matchpos.lnum,
  					      matchcol,
  #ifdef FEAT_RELTIME
  					      tm, timed_out
  #else
  					      NULL, NULL
  #endif
  					    )) == 0)
  			    {
  #ifdef FEAT_RELTIME
  				/* If the search timed out, we did find a match
  				 * but it might be the wrong one, so that's not
  				 * OK. */
  				if (timed_out != NULL && *timed_out)
  				    match_ok = FALSE;
  #endif
  				break;
  			    }
  
  			    /* Need to get the line pointer again, a
  			     * multi-line search may have made it invalid. */
  			    ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE);
  			}
  
  			/*
  			 * If there is only a match after the cursor, skip
  			 * this match.
  			 */
  			if (!match_ok)
  			    continue;
  		    }
  
  		    /* With the SEARCH_END option move to the last character
  		     * of the match.  Don't do it for an empty match, end
  		     * should be same as start then. */
  		    if ((options & SEARCH_END) && !(options & SEARCH_NOOF)
  			    && !(matchpos.lnum == endpos.lnum
  				&& matchpos.col == endpos.col))
  		    {
  			/* For a match in the first column, set the position
  			 * on the NUL in the previous line. */
  			pos->lnum = lnum + endpos.lnum;
  			pos->col = endpos.col;
  			if (endpos.col == 0)
  			{
  			    if (pos->lnum > 1)  /* just in case */
  			    {
  				--pos->lnum;
  				pos->col = (colnr_T)STRLEN(ml_get_buf(buf,
  							   pos->lnum, FALSE));
  			    }
  			}
  			else
  			{
  			    --pos->col;
  #ifdef FEAT_MBYTE
  			    if (has_mbyte
  				    && pos->lnum <= buf->b_ml.ml_line_count)
  			    {
  				ptr = ml_get_buf(buf, pos->lnum, FALSE);
  				pos->col -= (*mb_head_off)(ptr, ptr + pos->col);
  			    }
  #endif
  			}
  		    }
  		    else
  		    {
  			pos->lnum = lnum + matchpos.lnum;
  			pos->col = matchpos.col;
  		    }
  #ifdef FEAT_VIRTUALEDIT
  		    pos->coladd = 0;
  #endif
  		    found = 1;
  		    first_match = FALSE;
  
  		    /* Set variables used for 'incsearch' highlighting. */
  		    search_match_lines = endpos.lnum - matchpos.lnum;
  		    search_match_endcol = endpos.col;
  		    break;
  		}
  		line_breakcheck();	/* stop if ctrl-C typed */
  		if (got_int)
  		    break;
  
  #ifdef FEAT_SEARCH_EXTRA
  		/* Cancel searching if a character was typed.  Used for
  		 * 'incsearch'.  Don't check too often, that would slowdown
  		 * searching too much. */
  		if ((options & SEARCH_PEEK)
  			&& ((lnum - pos->lnum) & 0x3f) == 0
  			&& char_avail())
  		{
  		    break_loop = TRUE;
  		    break;
  		}
  #endif
  
  		if (loop && lnum == start_pos.lnum)
  		    break;	    /* if second loop, stop where started */
  	    }
  	    at_first_line = FALSE;
  
  	    /*
  	     * Stop the search if wrapscan isn't set, "stop_lnum" is
  	     * specified, after an interrupt, after a match and after looping
  	     * twice.
  	     */
  	    if (!p_ws || stop_lnum != 0 || got_int || called_emsg
  #ifdef FEAT_RELTIME
  				|| (timed_out != NULL && *timed_out)
  #endif
  #ifdef FEAT_SEARCH_EXTRA
  				|| break_loop
  #endif
  				|| found || loop)
  		break;
  
  	    /*
  	     * If 'wrapscan' is set we continue at the other end of the file.
  	     * If 'shortmess' does not contain 's', we give a message.
  	     * This message is also remembered in keep_msg for when the screen
  	     * is redrawn. The keep_msg is cleared whenever another message is
  	     * written.
  	     */
  	    if (dir == BACKWARD)    /* start second loop at the other end */
  		lnum = buf->b_ml.ml_line_count;
  	    else
  		lnum = 1;
  	    if (!shortmess(SHM_SEARCH) && (options & SEARCH_MSG))
  		give_warning((char_u *)_(dir == BACKWARD
  					  ? top_bot_msg : bot_top_msg), TRUE);
  	}
  	if (got_int || called_emsg
  #ifdef FEAT_RELTIME
  		|| (timed_out != NULL && *timed_out)
  #endif
  #ifdef FEAT_SEARCH_EXTRA
  		|| break_loop
  #endif
  		)
  	    break;
      }
      while (--count > 0 && found);   /* stop after count matches or no match */
  
      vim_regfree(regmatch.regprog);
  
      called_emsg |= save_called_emsg;
  
      if (!found)		    /* did not find it */
      {
  	if (got_int)
  	    EMSG(_(e_interr));
  	else if ((options & SEARCH_MSG) == SEARCH_MSG)
  	{
  	    if (p_ws)
  		EMSG2(_(e_patnotf2), mr_pattern);
  	    else if (lnum == 0)
  		EMSG2(_("E384: search hit TOP without match for: %s"),
  								  mr_pattern);
  	    else
  		EMSG2(_("E385: search hit BOTTOM without match for: %s"),
  								  mr_pattern);
  	}
  	return FAIL;
      }
  
      /* A pattern like "\n\zs" may go past the last line. */
      if (pos->lnum > buf->b_ml.ml_line_count)
      {
  	pos->lnum = buf->b_ml.ml_line_count;
  	pos->col = (int)STRLEN(ml_get_buf(buf, pos->lnum, FALSE));
  	if (pos->col > 0)
  	    --pos->col;
      }
  
      return submatch + 1;
  }
  
  #ifdef FEAT_EVAL
      void
  set_search_direction(int cdir)
  {
      spats[0].off.dir = cdir;
  }
  
      static void
  set_vv_searchforward(void)
  {
      set_vim_var_nr(VV_SEARCHFORWARD, (long)(spats[0].off.dir == '/'));
  }
  
  /*
   * Return the number of the first subpat that matched.
   * Return zero if none of them matched.
   */
      static int
  first_submatch(regmmatch_T *rp)
  {
      int		submatch;
  
      for (submatch = 1; ; ++submatch)
      {
  	if (rp->startpos[submatch].lnum >= 0)
  	    break;
  	if (submatch == 9)
  	{
  	    submatch = 0;
  	    break;
  	}
      }
      return submatch;
  }
  #endif
  
  /*
   * Highest level string search function.
   * Search for the 'count'th occurrence of pattern 'pat' in direction 'dirc'
   *		  If 'dirc' is 0: use previous dir.
   *    If 'pat' is NULL or empty : use previous string.
   *    If 'options & SEARCH_REV' : go in reverse of previous dir.
   *    If 'options & SEARCH_ECHO': echo the search command and handle options
   *    If 'options & SEARCH_MSG' : may give error message
   *    If 'options & SEARCH_OPT' : interpret optional flags
   *    If 'options & SEARCH_HIS' : put search pattern in history
   *    If 'options & SEARCH_NOOF': don't add offset to position
   *    If 'options & SEARCH_MARK': set previous context mark
   *    If 'options & SEARCH_KEEP': keep previous search pattern
   *    If 'options & SEARCH_START': accept match at curpos itself
   *    If 'options & SEARCH_PEEK': check for typed char, cancel search
   *
   * Careful: If spats[0].off.line == TRUE and spats[0].off.off == 0 this
   * makes the movement linewise without moving the match position.
   *
   * Return 0 for failure, 1 for found, 2 for found and line offset added.
   */
      int
  do_search(
      oparg_T	    *oap,	/* can be NULL */
      int		    dirc,	/* '/' or '?' */
      char_u	    *pat,
      long	    count,
      int		    options,
      proftime_T	    *tm,	/* timeout limit or NULL */
      int		    *timed_out) /* flag set on timeout or NULL */
  {
      pos_T	    pos;	/* position of the last match */
      char_u	    *searchstr;
      struct soffset  old_off;
      int		    retval;	/* Return value */
      char_u	    *p;
      long	    c;
      char_u	    *dircp;
      char_u	    *strcopy = NULL;
      char_u	    *ps;
  
      /*
       * A line offset is not remembered, this is vi compatible.
       */
      if (spats[0].off.line && vim_strchr(p_cpo, CPO_LINEOFF) != NULL)
      {
  	spats[0].off.line = FALSE;
  	spats[0].off.off = 0;
      }
  
      /*
       * Save the values for when (options & SEARCH_KEEP) is used.
       * (there is no "if ()" around this because gcc wants them initialized)
       */
      old_off = spats[0].off;
  
      pos = curwin->w_cursor;	/* start searching at the cursor position */
  
      /*
       * Find out the direction of the search.
       */
      if (dirc == 0)
  	dirc = spats[0].off.dir;
      else
      {
  	spats[0].off.dir = dirc;
  #if defined(FEAT_EVAL)
  	set_vv_searchforward();
  #endif
      }
      if (options & SEARCH_REV)
      {
  #ifdef WIN32
  	/* There is a bug in the Visual C++ 2.2 compiler which means that
  	 * dirc always ends up being '/' */
  	dirc = (dirc == '/')  ?  '?'  :  '/';
  #else
  	if (dirc == '/')
  	    dirc = '?';
  	else
  	    dirc = '/';
  #endif
      }
  
  #ifdef FEAT_FOLDING
      /* If the cursor is in a closed fold, don't find another match in the same
       * fold. */
      if (dirc == '/')
      {
  	if (hasFolding(pos.lnum, NULL, &pos.lnum))
  	    pos.col = MAXCOL - 2;	/* avoid overflow when adding 1 */
      }
      else
      {
  	if (hasFolding(pos.lnum, &pos.lnum, NULL))
  	    pos.col = 0;
      }
  #endif
  
  #ifdef FEAT_SEARCH_EXTRA
      /*
       * Turn 'hlsearch' highlighting back on.
       */
      if (no_hlsearch && !(options & SEARCH_KEEP))
      {
  	redraw_all_later(SOME_VALID);
  	set_no_hlsearch(FALSE);
      }
  #endif
  
      /*
       * Repeat the search when pattern followed by ';', e.g. "/foo/;?bar".
       */
      for (;;)
      {
  	searchstr = pat;
  	dircp = NULL;
  					    /* use previous pattern */
  	if (pat == NULL || *pat == NUL || *pat == dirc)
  	{
  	    if (spats[RE_SEARCH].pat == NULL)	    /* no previous pattern */
  	    {
  		searchstr = spats[RE_SUBST].pat;
  		if (searchstr == NULL)
  		{
  		    EMSG(_(e_noprevre));
  		    retval = 0;
  		    goto end_do_search;
  		}
  	    }
  	    else
  	    {
  		/* make search_regcomp() use spats[RE_SEARCH].pat */
  		searchstr = (char_u *)"";
  	    }
  	}
  
  	if (pat != NULL && *pat != NUL)	/* look for (new) offset */
  	{
  	    /*
  	     * Find end of regular expression.
  	     * If there is a matching '/' or '?', toss it.
  	     */
  	    ps = strcopy;
  	    p = skip_regexp(pat, dirc, (int)p_magic, &strcopy);
  	    if (strcopy != ps)
  	    {
  		/* made a copy of "pat" to change "\?" to "?" */
  		searchcmdlen += (int)(STRLEN(pat) - STRLEN(strcopy));
  		pat = strcopy;
  		searchstr = strcopy;
  	    }
  	    if (*p == dirc)
  	    {
  		dircp = p;	/* remember where we put the NUL */
  		*p++ = NUL;
  	    }
  	    spats[0].off.line = FALSE;
  	    spats[0].off.end = FALSE;
  	    spats[0].off.off = 0;
  	    /*
  	     * Check for a line offset or a character offset.
  	     * For get_address (echo off) we don't check for a character
  	     * offset, because it is meaningless and the 's' could be a
  	     * substitute command.
  	     */
  	    if (*p == '+' || *p == '-' || VIM_ISDIGIT(*p))
  		spats[0].off.line = TRUE;
  	    else if ((options & SEARCH_OPT) &&
  					(*p == 'e' || *p == 's' || *p == 'b'))
  	    {
  		if (*p == 'e')		/* end */
  		    spats[0].off.end = SEARCH_END;
  		++p;
  	    }
  	    if (VIM_ISDIGIT(*p) || *p == '+' || *p == '-')  /* got an offset */
  	    {
  					    /* 'nr' or '+nr' or '-nr' */
  		if (VIM_ISDIGIT(*p) || VIM_ISDIGIT(*(p + 1)))
  		    spats[0].off.off = atol((char *)p);
  		else if (*p == '-')	    /* single '-' */
  		    spats[0].off.off = -1;
  		else			    /* single '+' */
  		    spats[0].off.off = 1;
  		++p;
  		while (VIM_ISDIGIT(*p))	    /* skip number */
  		    ++p;
  	    }
  
  	    /* compute length of search command for get_address() */
  	    searchcmdlen += (int)(p - pat);
  
  	    pat = p;			    /* put pat after search command */
  	}
  
  	if ((options & SEARCH_ECHO) && messaging()
  					    && !cmd_silent && msg_silent == 0)
  	{
  	    char_u	*msgbuf;
  	    char_u	*trunc;
  
  	    if (*searchstr == NUL)
  		p = spats[last_idx].pat;
  	    else
  		p = searchstr;
  	    msgbuf = alloc((unsigned)(STRLEN(p) + 40));
  	    if (msgbuf != NULL)
  	    {
  		msgbuf[0] = dirc;
  #ifdef FEAT_MBYTE
  		if (enc_utf8 && utf_iscomposing(utf_ptr2char(p)))
  		{
  		    /* Use a space to draw the composing char on. */
  		    msgbuf[1] = ' ';
  		    STRCPY(msgbuf + 2, p);
  		}
  		else
  #endif
  		    STRCPY(msgbuf + 1, p);
  		if (spats[0].off.line || spats[0].off.end || spats[0].off.off)
  		{
  		    p = msgbuf + STRLEN(msgbuf);
  		    *p++ = dirc;
  		    if (spats[0].off.end)
  			*p++ = 'e';
  		    else if (!spats[0].off.line)
  			*p++ = 's';
  		    if (spats[0].off.off > 0 || spats[0].off.line)
  			*p++ = '+';
  		    if (spats[0].off.off != 0 || spats[0].off.line)
  			sprintf((char *)p, "%ld", spats[0].off.off);
  		    else
  			*p = NUL;
  		}
  
  		msg_start();
  		trunc = msg_strtrunc(msgbuf, FALSE);
  
  #ifdef FEAT_RIGHTLEFT
  		/* The search pattern could be shown on the right in rightleft
  		 * mode, but the 'ruler' and 'showcmd' area use it too, thus
  		 * it would be blanked out again very soon.  Show it on the
  		 * left, but do reverse the text. */
  		if (curwin->w_p_rl && *curwin->w_p_rlc == 's')
  		{
  		    char_u *r;
  
  		    r = reverse_text(trunc != NULL ? trunc : msgbuf);
  		    if (r != NULL)
  		    {
  			vim_free(trunc);
  			trunc = r;
  		    }
  		}
  #endif
  		if (trunc != NULL)
  		{
  		    msg_outtrans(trunc);
  		    vim_free(trunc);
  		}
  		else
  		    msg_outtrans(msgbuf);
  		msg_clr_eos();
  		msg_check();
  		vim_free(msgbuf);
  
  		gotocmdline(FALSE);
  		out_flush();
  		msg_nowait = TRUE;	    /* don't wait for this message */
  	    }
  	}
  
  	/*
  	 * If there is a character offset, subtract it from the current
  	 * position, so we don't get stuck at "?pat?e+2" or "/pat/s-2".
  	 * Skip this if pos.col is near MAXCOL (closed fold).
  	 * This is not done for a line offset, because then we would not be vi
  	 * compatible.
  	 */
  	if (!spats[0].off.line && spats[0].off.off && pos.col < MAXCOL - 2)
  	{
  	    if (spats[0].off.off > 0)
  	    {
  		for (c = spats[0].off.off; c; --c)
  		    if (decl(&pos) == -1)
  			break;
  		if (c)			/* at start of buffer */
  		{
  		    pos.lnum = 0;	/* allow lnum == 0 here */
  		    pos.col = MAXCOL;
  		}
  	    }
  	    else
  	    {
  		for (c = spats[0].off.off; c; ++c)
  		    if (incl(&pos) == -1)
  			break;
  		if (c)			/* at end of buffer */
  		{
  		    pos.lnum = curbuf->b_ml.ml_line_count + 1;
  		    pos.col = 0;
  		}
  	    }
  	}
  
  #ifdef FEAT_FKMAP	/* when in Farsi mode, reverse the character flow */
  	if (p_altkeymap && curwin->w_p_rl)
  	     lrFswap(searchstr,0);
  #endif
  
  	c = searchit(curwin, curbuf, &pos, dirc == '/' ? FORWARD : BACKWARD,
  		searchstr, count, spats[0].off.end + (options &
  		       (SEARCH_KEEP + SEARCH_PEEK + SEARCH_HIS
  			+ SEARCH_MSG + SEARCH_START
  			+ ((pat != NULL && *pat == ';') ? 0 : SEARCH_NOOF))),
  		RE_LAST, (linenr_T)0, tm, timed_out);
  
  	if (dircp != NULL)
  	    *dircp = dirc;	/* restore second '/' or '?' for normal_cmd() */
  	if (c == FAIL)
  	{
  	    retval = 0;
  	    goto end_do_search;
  	}
  	if (spats[0].off.end && oap != NULL)
  	    oap->inclusive = TRUE;  /* 'e' includes last character */
  
  	retval = 1;		    /* pattern found */
  
  	/*
  	 * Add character and/or line offset
  	 */
  	if (!(options & SEARCH_NOOF) || (pat != NULL && *pat == ';'))
  	{
  	    if (spats[0].off.line)	/* Add the offset to the line number. */
  	    {
  		c = pos.lnum + spats[0].off.off;
  		if (c < 1)
  		    pos.lnum = 1;
  		else if (c > curbuf->b_ml.ml_line_count)
  		    pos.lnum = curbuf->b_ml.ml_line_count;
  		else
  		    pos.lnum = c;
  		pos.col = 0;
  
  		retval = 2;	    /* pattern found, line offset added */
  	    }
  	    else if (pos.col < MAXCOL - 2)	/* just in case */
  	    {
  		/* to the right, check for end of file */
  		c = spats[0].off.off;
  		if (c > 0)
  		{
  		    while (c-- > 0)
  			if (incl(&pos) == -1)
  			    break;
  		}
  		/* to the left, check for start of file */
  		else
  		{
  		    while (c++ < 0)
  			if (decl(&pos) == -1)
  			    break;
  		}
  	    }
  	}
  
  	/*
  	 * The search command can be followed by a ';' to do another search.
  	 * For example: "/pat/;/foo/+3;?bar"
  	 * This is like doing another search command, except:
  	 * - The remembered direction '/' or '?' is from the first search.
  	 * - When an error happens the cursor isn't moved at all.
  	 * Don't do this when called by get_address() (it handles ';' itself).
  	 */
  	if (!(options & SEARCH_OPT) || pat == NULL || *pat != ';')
  	    break;
  
  	dirc = *++pat;
  	if (dirc != '?' && dirc != '/')
  	{
  	    retval = 0;
  	    EMSG(_("E386: Expected '?' or '/'  after ';'"));
  	    goto end_do_search;
  	}
  	++pat;
      }
  
      if (options & SEARCH_MARK)
  	setpcmark();
      curwin->w_cursor = pos;
      curwin->w_set_curswant = TRUE;
  
  end_do_search:
      if ((options & SEARCH_KEEP) || cmdmod.keeppatterns)
  	spats[0].off = old_off;
      vim_free(strcopy);
  
      return retval;
  }
  
  #if defined(FEAT_INS_EXPAND) || defined(PROTO)
  /*
   * search_for_exact_line(buf, pos, dir, pat)
   *
   * Search for a line starting with the given pattern (ignoring leading
   * white-space), starting from pos and going in direction "dir". "pos" will
   * contain the position of the match found.    Blank lines match only if
   * ADDING is set.  If p_ic is set then the pattern must be in lowercase.
   * Return OK for success, or FAIL if no line found.
   */
      int
  search_for_exact_line(
      buf_T	*buf,
      pos_T	*pos,
      int		dir,
      char_u	*pat)
  {
      linenr_T	start = 0;
      char_u	*ptr;
      char_u	*p;
  
      if (buf->b_ml.ml_line_count == 0)
  	return FAIL;
      for (;;)
      {
  	pos->lnum += dir;
  	if (pos->lnum < 1)
  	{
  	    if (p_ws)
  	    {
  		pos->lnum = buf->b_ml.ml_line_count;
  		if (!shortmess(SHM_SEARCH))
  		    give_warning((char_u *)_(top_bot_msg), TRUE);
  	    }
  	    else
  	    {
  		pos->lnum = 1;
  		break;
  	    }
  	}
  	else if (pos->lnum > buf->b_ml.ml_line_count)
  	{
  	    if (p_ws)
  	    {
  		pos->lnum = 1;
  		if (!shortmess(SHM_SEARCH))
  		    give_warning((char_u *)_(bot_top_msg), TRUE);
  	    }
  	    else
  	    {
  		pos->lnum = 1;
  		break;
  	    }
  	}
  	if (pos->lnum == start)
  	    break;
  	if (start == 0)
  	    start = pos->lnum;
  	ptr = ml_get_buf(buf, pos->lnum, FALSE);
  	p = skipwhite(ptr);
  	pos->col = (colnr_T) (p - ptr);
  
  	/* when adding lines the matching line may be empty but it is not
  	 * ignored because we are interested in the next line -- Acevedo */
  	if ((compl_cont_status & CONT_ADDING)
  					   && !(compl_cont_status & CONT_SOL))
  	{
  	    if ((p_ic ? MB_STRICMP(p, pat) : STRCMP(p, pat)) == 0)
  		return OK;
  	}
  	else if (*p != NUL)	/* ignore empty lines */
  	{	/* expanding lines or words */
  	    if ((p_ic ? MB_STRNICMP(p, pat, compl_length)
  				   : STRNCMP(p, pat, compl_length)) == 0)
  		return OK;
  	}
      }
      return FAIL;
  }
  #endif /* FEAT_INS_EXPAND */
  
  /*
   * Character Searches
   */
  
  /*
   * Search for a character in a line.  If "t_cmd" is FALSE, move to the
   * position of the character, otherwise move to just before the char.
   * Do this "cap->count1" times.
   * Return FAIL or OK.
   */
      int
  searchc(cmdarg_T *cap, int t_cmd)
  {
      int			c = cap->nchar;	/* char to search for */
      int			dir = cap->arg;	/* TRUE for searching forward */
      long		count = cap->count1;	/* repeat count */
      int			col;
      char_u		*p;
      int			len;
      int			stop = TRUE;
  
      if (c != NUL)	/* normal search: remember args for repeat */
      {
  	if (!KeyStuffed)    /* don't remember when redoing */
  	{
  	    *lastc = c;
  	    set_csearch_direction(dir);
  	    set_csearch_until(t_cmd);
  #ifdef FEAT_MBYTE
  	    lastc_bytelen = (*mb_char2bytes)(c, lastc_bytes);
  	    if (cap->ncharC1 != 0)
  	    {
  		lastc_bytelen += (*mb_char2bytes)(cap->ncharC1,
  			lastc_bytes + lastc_bytelen);
  		if (cap->ncharC2 != 0)
  		    lastc_bytelen += (*mb_char2bytes)(cap->ncharC2,
  			    lastc_bytes + lastc_bytelen);
  	    }
  #endif
  	}
      }
      else		/* repeat previous search */
      {
  	if (*lastc == NUL
  #ifdef FEAT_MBYTE
  		&& lastc_bytelen == 1
  #endif
  		)
  	    return FAIL;
  	if (dir)	/* repeat in opposite direction */
  	    dir = -lastcdir;
  	else
  	    dir = lastcdir;
  	t_cmd = last_t_cmd;
  	c = *lastc;
  	/* For multi-byte re-use last lastc_bytes[] and lastc_bytelen. */
  
  	/* Force a move of at least one char, so ";" and "," will move the
  	 * cursor, even if the cursor is right in front of char we are looking
  	 * at. */
  	if (vim_strchr(p_cpo, CPO_SCOLON) == NULL && count == 1 && t_cmd)
  	    stop = FALSE;
      }
  
      if (dir == BACKWARD)
  	cap->oap->inclusive = FALSE;
      else
  	cap->oap->inclusive = TRUE;
  
      p = ml_get_curline();
      col = curwin->w_cursor.col;
      len = (int)STRLEN(p);
  
      while (count--)
      {
  #ifdef FEAT_MBYTE
  	if (has_mbyte)
  	{
  	    for (;;)
  	    {
  		if (dir > 0)
  		{
  		    col += (*mb_ptr2len)(p + col);
  		    if (col >= len)
  			return FAIL;
  		}
  		else
  		{
  		    if (col == 0)
  			return FAIL;
  		    col -= (*mb_head_off)(p, p + col - 1) + 1;
  		}
  		if (lastc_bytelen == 1)
  		{
  		    if (p[col] == c && stop)
  			break;
  		}
  		else if (STRNCMP(p + col, lastc_bytes, lastc_bytelen) == 0
  								       && stop)
  		    break;
  		stop = TRUE;
  	    }
  	}
  	else
  #endif
  	{
  	    for (;;)
  	    {
  		if ((col += dir) < 0 || col >= len)
  		    return FAIL;
  		if (p[col] == c && stop)
  		    break;
  		stop = TRUE;
  	    }
  	}
      }
  
      if (t_cmd)
      {
  	/* backup to before the character (possibly double-byte) */
  	col -= dir;
  #ifdef FEAT_MBYTE
  	if (has_mbyte)
  	{
  	    if (dir < 0)
  		/* Landed on the search char which is lastc_bytelen long */
  		col += lastc_bytelen - 1;
  	    else
  		/* To previous char, which may be multi-byte. */
  		col -= (*mb_head_off)(p, p + col);
  	}
  #endif
      }
      curwin->w_cursor.col = col;
  
      return OK;
  }
  
  /*
   * "Other" Searches
   */
  
  /*
   * findmatch - find the matching paren or brace
   *
   * Improvement over vi: Braces inside quotes are ignored.
   */
      pos_T *
  findmatch(oparg_T *oap, int initc)
  {
      return findmatchlimit(oap, initc, 0, 0);
  }
  
  /*
   * Return TRUE if the character before "linep[col]" equals "ch".
   * Return FALSE if "col" is zero.
   * Update "*prevcol" to the column of the previous character, unless "prevcol"
   * is NULL.
   * Handles multibyte string correctly.
   */
      static int
  check_prevcol(
      char_u	*linep,
      int		col,
      int		ch,
      int		*prevcol)
  {
      --col;
  #ifdef FEAT_MBYTE
      if (col > 0 && has_mbyte)
  	col -= (*mb_head_off)(linep, linep + col);
  #endif
      if (prevcol)
  	*prevcol = col;
      return (col >= 0 && linep[col] == ch) ? TRUE : FALSE;
  }
  
  static int find_rawstring_end(char_u *linep, pos_T *startpos, pos_T *endpos);
  
  /*
   * Raw string start is found at linep[startpos.col - 1].
   * Return TRUE if the matching end can be found between startpos and endpos.
   */
      static int
  find_rawstring_end(char_u *linep, pos_T *startpos, pos_T *endpos)
  {
      char_u	*p;
      char_u	*delim_copy;
      size_t	delim_len;
      linenr_T	lnum;
      int		found = FALSE;
  
      for (p = linep + startpos->col + 1; *p && *p != '('; ++p)
  	;
      delim_len = (p - linep) - startpos->col - 1;
      delim_copy = vim_strnsave(linep + startpos->col + 1, (int)delim_len);
      if (delim_copy == NULL)
  	return FALSE;
      for (lnum = startpos->lnum; lnum <= endpos->lnum; ++lnum)
      {
  	char_u *line = ml_get(lnum);
  
  	for (p = line + (lnum == startpos->lnum
  					    ? startpos->col + 1 : 0); *p; ++p)
  	{
  	    if (lnum == endpos->lnum && (colnr_T)(p - line) >= endpos->col)
  		break;
  	    if (*p == ')' && p[delim_len + 1] == '"'
  			  && STRNCMP(delim_copy, p + 1, delim_len) == 0)
  	    {
  		found = TRUE;
  		break;
  	    }
  	}
  	if (found)
  	    break;
      }
      vim_free(delim_copy);
      return found;
  }
  
  /*
   * findmatchlimit -- find the matching paren or brace, if it exists within
   * maxtravel lines of the cursor.  A maxtravel of 0 means search until falling
   * off the edge of the file.
   *
   * "initc" is the character to find a match for.  NUL means to find the
   * character at or after the cursor. Special values:
   * '*'  look for C-style comment / *
   * '/'  look for C-style comment / *, ignoring comment-end
   * '#'  look for preprocessor directives
   * 'R'  look for raw string start: R"delim(text)delim" (only backwards)
   *
   * flags: FM_BACKWARD	search backwards (when initc is '/', '*' or '#')
   *	  FM_FORWARD	search forwards (when initc is '/', '*' or '#')
   *	  FM_BLOCKSTOP	stop at start/end of block ({ or } in column 0)
   *	  FM_SKIPCOMM	skip comments (not implemented yet!)
   *
   * "oap" is only used to set oap->motion_type for a linewise motion, it can be
   * NULL
   */
  
      pos_T *
  findmatchlimit(
      oparg_T	*oap,
      int		initc,
      int		flags,
      int		maxtravel)
  {
      static pos_T pos;			/* current search position */
      int		findc = 0;		/* matching brace */
      int		c;
      int		count = 0;		/* cumulative number of braces */
      int		backwards = FALSE;	/* init for gcc */
      int		raw_string = FALSE;	/* search for raw string */
      int		inquote = FALSE;	/* TRUE when inside quotes */
      char_u	*linep;			/* pointer to current line */
      char_u	*ptr;
      int		do_quotes;		/* check for quotes in current line */
      int		at_start;		/* do_quotes value at start position */
      int		hash_dir = 0;		/* Direction searched for # things */
      int		comment_dir = 0;	/* Direction searched for comments */
      pos_T	match_pos;		/* Where last slash-star was found */
      int		start_in_quotes;	/* start position is in quotes */
      int		traveled = 0;		/* how far we've searched so far */
      int		ignore_cend = FALSE;    /* ignore comment end */
      int		cpo_match;		/* vi compatible matching */
      int		cpo_bsl;		/* don't recognize backslashes */
      int		match_escaped = 0;	/* search for escaped match */
      int		dir;			/* Direction to search */
      int		comment_col = MAXCOL;   /* start of / / comment */
  #ifdef FEAT_LISP
      int		lispcomm = FALSE;	/* inside of Lisp-style comment */
      int		lisp = curbuf->b_p_lisp; /* engage Lisp-specific hacks ;) */
  #endif
  
      pos = curwin->w_cursor;
  #ifdef FEAT_VIRTUALEDIT
      pos.coladd = 0;
  #endif
      linep = ml_get(pos.lnum);
  
      cpo_match = (vim_strchr(p_cpo, CPO_MATCH) != NULL);
      cpo_bsl = (vim_strchr(p_cpo, CPO_MATCHBSL) != NULL);
  
      /* Direction to search when initc is '/', '*' or '#' */
      if (flags & FM_BACKWARD)
  	dir = BACKWARD;
      else if (flags & FM_FORWARD)
  	dir = FORWARD;
      else
  	dir = 0;
  
      /*
       * if initc given, look in the table for the matching character
       * '/' and '*' are special cases: look for start or end of comment.
       * When '/' is used, we ignore running backwards into an star-slash, for
       * "[*" command, we just want to find any comment.
       */
      if (initc == '/' || initc == '*' || initc == 'R')
      {
  	comment_dir = dir;
  	if (initc == '/')
  	    ignore_cend = TRUE;
  	backwards = (dir == FORWARD) ? FALSE : TRUE;
  	raw_string = (initc == 'R');
  	initc = NUL;
      }
      else if (initc != '#' && initc != NUL)
      {
  	find_mps_values(&initc, &findc, &backwards, TRUE);
  	if (findc == NUL)
  	    return NULL;
      }
      else
      {
  	/*
  	 * Either initc is '#', or no initc was given and we need to look
  	 * under the cursor.
  	 */
  	if (initc == '#')
  	{
  	    hash_dir = dir;
  	}
  	else
  	{
  	    /*
  	     * initc was not given, must look for something to match under
  	     * or near the cursor.
  	     * Only check for special things when 'cpo' doesn't have '%'.
  	     */
  	    if (!cpo_match)
  	    {
  		/* Are we before or at #if, #else etc.? */
  		ptr = skipwhite(linep);
  		if (*ptr == '#' && pos.col <= (colnr_T)(ptr - linep))
  		{
  		    ptr = skipwhite(ptr + 1);
  		    if (   STRNCMP(ptr, "if", 2) == 0
  			|| STRNCMP(ptr, "endif", 5) == 0
  			|| STRNCMP(ptr, "el", 2) == 0)
  			hash_dir = 1;
  		}
  
  		/* Are we on a comment? */
  		else if (linep[pos.col] == '/')
  		{
  		    if (linep[pos.col + 1] == '*')
  		    {
  			comment_dir = FORWARD;
  			backwards = FALSE;
  			pos.col++;
  		    }
  		    else if (pos.col > 0 && linep[pos.col - 1] == '*')
  		    {
  			comment_dir = BACKWARD;
  			backwards = TRUE;
  			pos.col--;
  		    }
  		}
  		else if (linep[pos.col] == '*')
  		{
  		    if (linep[pos.col + 1] == '/')
  		    {
  			comment_dir = BACKWARD;
  			backwards = TRUE;
  		    }
  		    else if (pos.col > 0 && linep[pos.col - 1] == '/')
  		    {
  			comment_dir = FORWARD;
  			backwards = FALSE;
  		    }
  		}
  	    }
  
  	    /*
  	     * If we are not on a comment or the # at the start of a line, then
  	     * look for brace anywhere on this line after the cursor.
  	     */
  	    if (!hash_dir && !comment_dir)
  	    {
  		/*
  		 * Find the brace under or after the cursor.
  		 * If beyond the end of the line, use the last character in
  		 * the line.
  		 */
  		if (linep[pos.col] == NUL && pos.col)
  		    --pos.col;
  		for (;;)
  		{
  		    initc = PTR2CHAR(linep + pos.col);
  		    if (initc == NUL)
  			break;
  
  		    find_mps_values(&initc, &findc, &backwards, FALSE);
  		    if (findc)
  			break;
  		    pos.col += MB_PTR2LEN(linep + pos.col);
  		}
  		if (!findc)
  		{
  		    /* no brace in the line, maybe use "  #if" then */
  		    if (!cpo_match && *skipwhite(linep) == '#')
  			hash_dir = 1;
  		    else
  			return NULL;
  		}
  		else if (!cpo_bsl)
  		{
  		    int col, bslcnt = 0;
  
  		    /* Set "match_escaped" if there are an odd number of
  		     * backslashes. */
  		    for (col = pos.col; check_prevcol(linep, col, '\\', &col);)
  			bslcnt++;
  		    match_escaped = (bslcnt & 1);
  		}
  	    }
  	}
  	if (hash_dir)
  	{
  	    /*
  	     * Look for matching #if, #else, #elif, or #endif
  	     */
  	    if (oap != NULL)
  		oap->motion_type = MLINE;   /* Linewise for this case only */
  	    if (initc != '#')
  	    {
  		ptr = skipwhite(skipwhite(linep) + 1);
  		if (STRNCMP(ptr, "if", 2) == 0 || STRNCMP(ptr, "el", 2) == 0)
  		    hash_dir = 1;
  		else if (STRNCMP(ptr, "endif", 5) == 0)
  		    hash_dir = -1;
  		else
  		    return NULL;
  	    }
  	    pos.col = 0;
  	    while (!got_int)
  	    {
  		if (hash_dir > 0)
  		{
  		    if (pos.lnum == curbuf->b_ml.ml_line_count)
  			break;
  		}
  		else if (pos.lnum == 1)
  		    break;
  		pos.lnum += hash_dir;
  		linep = ml_get(pos.lnum);
  		line_breakcheck();	/* check for CTRL-C typed */
  		ptr = skipwhite(linep);
  		if (*ptr != '#')
  		    continue;
  		pos.col = (colnr_T) (ptr - linep);
  		ptr = skipwhite(ptr + 1);
  		if (hash_dir > 0)
  		{
  		    if (STRNCMP(ptr, "if", 2) == 0)
  			count++;
  		    else if (STRNCMP(ptr, "el", 2) == 0)
  		    {
  			if (count == 0)
  			    return &pos;
  		    }
  		    else if (STRNCMP(ptr, "endif", 5) == 0)
  		    {
  			if (count == 0)
  			    return &pos;
  			count--;
  		    }
  		}
  		else
  		{
  		    if (STRNCMP(ptr, "if", 2) == 0)
  		    {
  			if (count == 0)
  			    return &pos;
  			count--;
  		    }
  		    else if (initc == '#' && STRNCMP(ptr, "el", 2) == 0)
  		    {
  			if (count == 0)
  			    return &pos;
  		    }
  		    else if (STRNCMP(ptr, "endif", 5) == 0)
  			count++;
  		}
  	    }
  	    return NULL;
  	}
      }
  
  #ifdef FEAT_RIGHTLEFT
      /* This is just guessing: when 'rightleft' is set, search for a matching
       * paren/brace in the other direction. */
      if (curwin->w_p_rl && vim_strchr((char_u *)"()[]{}<>", initc) != NULL)
  	backwards = !backwards;
  #endif
  
      do_quotes = -1;
      start_in_quotes = MAYBE;
      CLEAR_POS(&match_pos);
  
      /* backward search: Check if this line contains a single-line comment */
      if ((backwards && comment_dir)
  #ifdef FEAT_LISP
  	    || lisp
  #endif
  	    )
  	comment_col = check_linecomment(linep);
  #ifdef FEAT_LISP
      if (lisp && comment_col != MAXCOL && pos.col > (colnr_T)comment_col)
  	lispcomm = TRUE;    /* find match inside this comment */
  #endif
      while (!got_int)
      {
  	/*
  	 * Go to the next position, forward or backward. We could use
  	 * inc() and dec() here, but that is much slower
  	 */
  	if (backwards)
  	{
  #ifdef FEAT_LISP
  	    /* char to match is inside of comment, don't search outside */
  	    if (lispcomm && pos.col < (colnr_T)comment_col)
  		break;
  #endif
  	    if (pos.col == 0)		/* at start of line, go to prev. one */
  	    {
  		if (pos.lnum == 1)	/* start of file */
  		    break;
  		--pos.lnum;
  
  		if (maxtravel > 0 && ++traveled > maxtravel)
  		    break;
  
  		linep = ml_get(pos.lnum);
  		pos.col = (colnr_T)STRLEN(linep); /* pos.col on trailing NUL */
  		do_quotes = -1;
  		line_breakcheck();
  
  		/* Check if this line contains a single-line comment */
  		if (comment_dir
  #ifdef FEAT_LISP
  			|| lisp
  #endif
  			)
  		    comment_col = check_linecomment(linep);
  #ifdef FEAT_LISP
  		/* skip comment */
  		if (lisp && comment_col != MAXCOL)
  		    pos.col = comment_col;
  #endif
  	    }
  	    else
  	    {
  		--pos.col;
  #ifdef FEAT_MBYTE
  		if (has_mbyte)
  		    pos.col -= (*mb_head_off)(linep, linep + pos.col);
  #endif
  	    }
  	}
  	else				/* forward search */
  	{
  	    if (linep[pos.col] == NUL
  		    /* at end of line, go to next one */
  #ifdef FEAT_LISP
  		    /* don't search for match in comment */
  		    || (lisp && comment_col != MAXCOL
  					   && pos.col == (colnr_T)comment_col)
  #endif
  		    )
  	    {
  		if (pos.lnum == curbuf->b_ml.ml_line_count  /* end of file */
  #ifdef FEAT_LISP
  			/* line is exhausted and comment with it,
  			 * don't search for match in code */
  			 || lispcomm
  #endif
  			 )
  		    break;
  		++pos.lnum;
  
  		if (maxtravel && traveled++ > maxtravel)
  		    break;
  
  		linep = ml_get(pos.lnum);
  		pos.col = 0;
  		do_quotes = -1;
  		line_breakcheck();
  #ifdef FEAT_LISP
  		if (lisp)   /* find comment pos in new line */
  		    comment_col = check_linecomment(linep);
  #endif
  	    }
  	    else
  	    {
  #ifdef FEAT_MBYTE
  		if (has_mbyte)
  		    pos.col += (*mb_ptr2len)(linep + pos.col);
  		else
  #endif
  		    ++pos.col;
  	    }
  	}
  
  	/*
  	 * If FM_BLOCKSTOP given, stop at a '{' or '}' in column 0.
  	 */
  	if (pos.col == 0 && (flags & FM_BLOCKSTOP) &&
  					 (linep[0] == '{' || linep[0] == '}'))
  	{
  	    if (linep[0] == findc && count == 0)	/* match! */
  		return &pos;
  	    break;					/* out of scope */
  	}
  
  	if (comment_dir)
  	{
  	    /* Note: comments do not nest, and we ignore quotes in them */
  	    /* TODO: ignore comment brackets inside strings */
  	    if (comment_dir == FORWARD)
  	    {
  		if (linep[pos.col] == '*' && linep[pos.col + 1] == '/')
  		{
  		    pos.col++;
  		    return &pos;
  		}
  	    }
  	    else    /* Searching backwards */
  	    {
  		/*
  		 * A comment may contain / * or / /, it may also start or end
  		 * with / * /.	Ignore a / * after / / and after *.
  		 */
  		if (pos.col == 0)
  		    continue;
  		else if (raw_string)
  		{
  		    if (linep[pos.col - 1] == 'R'
  			&& linep[pos.col] == '"'
  			&& vim_strchr(linep + pos.col + 1, '(') != NULL)
  		    {
  			/* Possible start of raw string. Now that we have the
  			 * delimiter we can check if it ends before where we
  			 * started searching, or before the previously found
  			 * raw string start. */
  			if (!find_rawstring_end(linep, &pos,
  				  count > 0 ? &match_pos : &curwin->w_cursor))
  			{
  			    count++;
  			    match_pos = pos;
  			    match_pos.col--;
  			}
  			linep = ml_get(pos.lnum); /* may have been released */
  		    }
  		}
  		else if (  linep[pos.col - 1] == '/'
  			&& linep[pos.col] == '*'
  			&& (pos.col == 1 || linep[pos.col - 2] != '*')
  			&& (int)pos.col < comment_col)
  		{
  		    count++;
  		    match_pos = pos;
  		    match_pos.col--;
  		}
  		else if (linep[pos.col - 1] == '*' && linep[pos.col] == '/')
  		{
  		    if (count > 0)
  			pos = match_pos;
  		    else if (pos.col > 1 && linep[pos.col - 2] == '/'
  					       && (int)pos.col <= comment_col)
  			pos.col -= 2;
  		    else if (ignore_cend)
  			continue;
  		    else
  			return NULL;
  		    return &pos;
  		}
  	    }
  	    continue;
  	}
  
  	/*
  	 * If smart matching ('cpoptions' does not contain '%'), braces inside
  	 * of quotes are ignored, but only if there is an even number of
  	 * quotes in the line.
  	 */
  	if (cpo_match)
  	    do_quotes = 0;
  	else if (do_quotes == -1)
  	{
  	    /*
  	     * Count the number of quotes in the line, skipping \" and '"'.
  	     * Watch out for "\\".
  	     */
  	    at_start = do_quotes;
  	    for (ptr = linep; *ptr; ++ptr)
  	    {
  		if (ptr == linep + pos.col + backwards)
  		    at_start = (do_quotes & 1);
  		if (*ptr == '"'
  			&& (ptr == linep || ptr[-1] != '\'' || ptr[1] != '\''))
  		    ++do_quotes;
  		if (*ptr == '\\' && ptr[1] != NUL)
  		    ++ptr;
  	    }
  	    do_quotes &= 1;	    /* result is 1 with even number of quotes */
  
  	    /*
  	     * If we find an uneven count, check current line and previous
  	     * one for a '\' at the end.
  	     */
  	    if (!do_quotes)
  	    {
  		inquote = FALSE;
  		if (ptr[-1] == '\\')
  		{
  		    do_quotes = 1;
  		    if (start_in_quotes == MAYBE)
  		    {
  			/* Do we need to use at_start here? */
  			inquote = TRUE;
  			start_in_quotes = TRUE;
  		    }
  		    else if (backwards)
  			inquote = TRUE;
  		}
  		if (pos.lnum > 1)
  		{
  		    ptr = ml_get(pos.lnum - 1);
  		    if (*ptr && *(ptr + STRLEN(ptr) - 1) == '\\')
  		    {
  			do_quotes = 1;
  			if (start_in_quotes == MAYBE)
  			{
  			    inquote = at_start;
  			    if (inquote)
  				start_in_quotes = TRUE;
  			}
  			else if (!backwards)
  			    inquote = TRUE;
  		    }
  
  		    /* ml_get() only keeps one line, need to get linep again */
  		    linep = ml_get(pos.lnum);
  		}
  	    }
  	}
  	if (start_in_quotes == MAYBE)
  	    start_in_quotes = FALSE;
  
  	/*
  	 * If 'smartmatch' is set:
  	 *   Things inside quotes are ignored by setting 'inquote'.  If we
  	 *   find a quote without a preceding '\' invert 'inquote'.  At the
  	 *   end of a line not ending in '\' we reset 'inquote'.
  	 *
  	 *   In lines with an uneven number of quotes (without preceding '\')
  	 *   we do not know which part to ignore. Therefore we only set
  	 *   inquote if the number of quotes in a line is even, unless this
  	 *   line or the previous one ends in a '\'.  Complicated, isn't it?
  	 */
  	c = PTR2CHAR(linep + pos.col);
  	switch (c)
  	{
  	case NUL:
  	    /* at end of line without trailing backslash, reset inquote */
  	    if (pos.col == 0 || linep[pos.col - 1] != '\\')
  	    {
  		inquote = FALSE;
  		start_in_quotes = FALSE;
  	    }
  	    break;
  
  	case '"':
  	    /* a quote that is preceded with an odd number of backslashes is
  	     * ignored */
  	    if (do_quotes)
  	    {
  		int col;
  
  		for (col = pos.col - 1; col >= 0; --col)
  		    if (linep[col] != '\\')
  			break;
  		if ((((int)pos.col - 1 - col) & 1) == 0)
  		{
  		    inquote = !inquote;
  		    start_in_quotes = FALSE;
  		}
  	    }
  	    break;
  
  	/*
  	 * If smart matching ('cpoptions' does not contain '%'):
  	 *   Skip things in single quotes: 'x' or '\x'.  Be careful for single
  	 *   single quotes, eg jon's.  Things like '\233' or '\x3f' are not
  	 *   skipped, there is never a brace in them.
  	 *   Ignore this when finding matches for `'.
  	 */
  	case '\'':
  	    if (!cpo_match && initc != '\'' && findc != '\'')
  	    {
  		if (backwards)
  		{
  		    if (pos.col > 1)
  		    {
  			if (linep[pos.col - 2] == '\'')
  			{
  			    pos.col -= 2;
  			    break;
  			}
  			else if (linep[pos.col - 2] == '\\' &&
  				    pos.col > 2 && linep[pos.col - 3] == '\'')
  			{
  			    pos.col -= 3;
  			    break;
  			}
  		    }
  		}
  		else if (linep[pos.col + 1])	/* forward search */
  		{
  		    if (linep[pos.col + 1] == '\\' &&
  			    linep[pos.col + 2] && linep[pos.col + 3] == '\'')
  		    {
  			pos.col += 3;
  			break;
  		    }
  		    else if (linep[pos.col + 2] == '\'')
  		    {
  			pos.col += 2;
  			break;
  		    }
  		}
  	    }
  	    /* FALLTHROUGH */
  
  	default:
  #ifdef FEAT_LISP
  	    /*
  	     * For Lisp skip over backslashed (), {} and [].
  	     * (actually, we skip #\( et al)
  	     */
  	    if (curbuf->b_p_lisp
  		    && vim_strchr((char_u *)"(){}[]", c) != NULL
  		    && pos.col > 1
  		    && check_prevcol(linep, pos.col, '\\', NULL)
  		    && check_prevcol(linep, pos.col - 1, '#', NULL))
  		break;
  #endif
  
  	    /* Check for match outside of quotes, and inside of
  	     * quotes when the start is also inside of quotes. */
  	    if ((!inquote || start_in_quotes == TRUE)
  		    && (c == initc || c == findc))
  	    {
  		int	col, bslcnt = 0;
  
  		if (!cpo_bsl)
  		{
  		    for (col = pos.col; check_prevcol(linep, col, '\\', &col);)
  			bslcnt++;
  		}
  		/* Only accept a match when 'M' is in 'cpo' or when escaping
  		 * is what we expect. */
  		if (cpo_bsl || (bslcnt & 1) == match_escaped)
  		{
  		    if (c == initc)
  			count++;
  		    else
  		    {
  			if (count == 0)
  			    return &pos;
  			count--;
  		    }
  		}
  	    }
  	}
      }
  
      if (comment_dir == BACKWARD && count > 0)
      {
  	pos = match_pos;
  	return &pos;
      }
      return (pos_T *)NULL;	/* never found it */
  }
  
  /*
   * Check if line[] contains a / / comment.
   * Return MAXCOL if not, otherwise return the column.
   * TODO: skip strings.
   */
      static int
  check_linecomment(char_u *line)
  {
      char_u  *p;
  
      p = line;
  #ifdef FEAT_LISP
      /* skip Lispish one-line comments */
      if (curbuf->b_p_lisp)
      {
  	if (vim_strchr(p, ';') != NULL) /* there may be comments */
  	{
  	    int in_str = FALSE;	/* inside of string */
  
  	    p = line;		/* scan from start */
  	    while ((p = vim_strpbrk(p, (char_u *)"\";")) != NULL)
  	    {
  		if (*p == '"')
  		{
  		    if (in_str)
  		    {
  			if (*(p - 1) != '\\') /* skip escaped quote */
  			    in_str = FALSE;
  		    }
  		    else if (p == line || ((p - line) >= 2
  				      /* skip #\" form */
  				      && *(p - 1) != '\\' && *(p - 2) != '#'))
  			in_str = TRUE;
  		}
  		else if (!in_str && ((p - line) < 2
  				    || (*(p - 1) != '\\' && *(p - 2) != '#')))
  		    break;	/* found! */
  		++p;
  	    }
  	}
  	else
  	    p = NULL;
      }
      else
  #endif
      while ((p = vim_strchr(p, '/')) != NULL)
      {
  	/* accept a double /, unless it's preceded with * and followed by *,
  	 * because * / / * is an end and start of a C comment */
  	if (p[1] == '/' && (p == line || p[-1] != '*' || p[2] != '*'))
  	    break;
  	++p;
      }
  
      if (p == NULL)
  	return MAXCOL;
      return (int)(p - line);
  }
  
  /*
   * Move cursor briefly to character matching the one under the cursor.
   * Used for Insert mode and "r" command.
   * Show the match only if it is visible on the screen.
   * If there isn't a match, then beep.
   */
      void
  showmatch(
      int		c)	    /* char to show match for */
  {
      pos_T	*lpos, save_cursor;
      pos_T	mpos;
      colnr_T	vcol;
      long	save_so;
      long	save_siso;
  #ifdef CURSOR_SHAPE
      int		save_state;
  #endif
      colnr_T	save_dollar_vcol;
      char_u	*p;
  
      /*
       * Only show match for chars in the 'matchpairs' option.
       */
      /* 'matchpairs' is "x:y,x:y" */
      for (p = curbuf->b_p_mps; *p != NUL; ++p)
      {
  #ifdef FEAT_RIGHTLEFT
  	if (PTR2CHAR(p) == c && (curwin->w_p_rl ^ p_ri))
  	    break;
  #endif
  	p += MB_PTR2LEN(p) + 1;
  	if (PTR2CHAR(p) == c
  #ifdef FEAT_RIGHTLEFT
  		&& !(curwin->w_p_rl ^ p_ri)
  #endif
  	   )
  	    break;
  	p += MB_PTR2LEN(p);
  	if (*p == NUL)
  	    return;
      }
  
      if ((lpos = findmatch(NULL, NUL)) == NULL)	    /* no match, so beep */
  	vim_beep(BO_MATCH);
      else if (lpos->lnum >= curwin->w_topline && lpos->lnum < curwin->w_botline)
      {
  	if (!curwin->w_p_wrap)
  	    getvcol(curwin, lpos, NULL, &vcol, NULL);
  	if (curwin->w_p_wrap || (vcol >= curwin->w_leftcol
  			       && vcol < curwin->w_leftcol + curwin->w_width))
  	{
  	    mpos = *lpos;    /* save the pos, update_screen() may change it */
  	    save_cursor = curwin->w_cursor;
  	    save_so = p_so;
  	    save_siso = p_siso;
  	    /* Handle "$" in 'cpo': If the ')' is typed on top of the "$",
  	     * stop displaying the "$". */
  	    if (dollar_vcol >= 0 && dollar_vcol == curwin->w_virtcol)
  		dollar_vcol = -1;
  	    ++curwin->w_virtcol;	/* do display ')' just before "$" */
  	    update_screen(VALID);	/* show the new char first */
  
  	    save_dollar_vcol = dollar_vcol;
  #ifdef CURSOR_SHAPE
  	    save_state = State;
  	    State = SHOWMATCH;
  	    ui_cursor_shape();		/* may show different cursor shape */
  #endif
  	    curwin->w_cursor = mpos;	/* move to matching char */
  	    p_so = 0;			/* don't use 'scrolloff' here */
  	    p_siso = 0;			/* don't use 'sidescrolloff' here */
  	    showruler(FALSE);
  	    setcursor();
  	    cursor_on();		/* make sure that the cursor is shown */
  	    out_flush_cursor(TRUE, FALSE);
  
  	    /* Restore dollar_vcol(), because setcursor() may call curs_rows()
  	     * which resets it if the matching position is in a previous line
  	     * and has a higher column number. */
  	    dollar_vcol = save_dollar_vcol;
  
  	    /*
  	     * brief pause, unless 'm' is present in 'cpo' and a character is
  	     * available.
  	     */
  	    if (vim_strchr(p_cpo, CPO_SHOWMATCH) != NULL)
  		ui_delay(p_mat * 100L, TRUE);
  	    else if (!char_avail())
  		ui_delay(p_mat * 100L, FALSE);
  	    curwin->w_cursor = save_cursor;	/* restore cursor position */
  	    p_so = save_so;
  	    p_siso = save_siso;
  #ifdef CURSOR_SHAPE
  	    State = save_state;
  	    ui_cursor_shape();		/* may show different cursor shape */
  #endif
  	}
      }
  }
  
  /*
   * Find the start of the next sentence, searching in the direction specified
   * by the "dir" argument.  The cursor is positioned on the start of the next
   * sentence when found.  If the next sentence is found, return OK.  Return FAIL
   * otherwise.  See ":h sentence" for the precise definition of a "sentence"
   * text object.
   */
      int
  findsent(int dir, long count)
  {
      pos_T	pos, tpos;
      int		c;
      int		(*func)(pos_T *);
      int		startlnum;
      int		noskip = FALSE;	    /* do not skip blanks */
      int		cpo_J;
      int		found_dot;
  
      pos = curwin->w_cursor;
      if (dir == FORWARD)
  	func = incl;
      else
  	func = decl;
  
      while (count--)
      {
  	/*
  	 * if on an empty line, skip upto a non-empty line
  	 */
  	if (gchar_pos(&pos) == NUL)
  	{
  	    do
  		if ((*func)(&pos) == -1)
  		    break;
  	    while (gchar_pos(&pos) == NUL);
  	    if (dir == FORWARD)
  		goto found;
  	}
  	/*
  	 * if on the start of a paragraph or a section and searching forward,
  	 * go to the next line
  	 */
  	else if (dir == FORWARD && pos.col == 0 &&
  						startPS(pos.lnum, NUL, FALSE))
  	{
  	    if (pos.lnum == curbuf->b_ml.ml_line_count)
  		return FAIL;
  	    ++pos.lnum;
  	    goto found;
  	}
  	else if (dir == BACKWARD)
  	    decl(&pos);
  
  	// go back to the previous non-white non-punctuation character
  	found_dot = FALSE;
  	while (c = gchar_pos(&pos), VIM_ISWHITE(c)
  				|| vim_strchr((char_u *)".!?)]\"'", c) != NULL)
  	{
  	    tpos = pos;
  	    if (decl(&tpos) == -1 || (LINEEMPTY(tpos.lnum) && dir == FORWARD))
  		break;
  
  	    if (found_dot)
  		break;
  	    if (vim_strchr((char_u *) ".!?", c) != NULL)
  		found_dot = TRUE;
  
  	    if (vim_strchr((char_u *) ")]\"'", c) != NULL
  		&& vim_strchr((char_u *) ".!?)]\"'", gchar_pos(&tpos)) == NULL)
  		break;
  
  	    decl(&pos);
  	}
  
  	/* remember the line where the search started */
  	startlnum = pos.lnum;
  	cpo_J = vim_strchr(p_cpo, CPO_ENDOFSENT) != NULL;
  
  	for (;;)		/* find end of sentence */
  	{
  	    c = gchar_pos(&pos);
  	    if (c == NUL || (pos.col == 0 && startPS(pos.lnum, NUL, FALSE)))
  	    {
  		if (dir == BACKWARD && pos.lnum != startlnum)
  		    ++pos.lnum;
  		break;
  	    }
  	    if (c == '.' || c == '!' || c == '?')
  	    {
  		tpos = pos;
  		do
  		    if ((c = inc(&tpos)) == -1)
  			break;
  		while (vim_strchr((char_u *)")]\"'", c = gchar_pos(&tpos))
  			!= NULL);
  		if (c == -1  || (!cpo_J && (c == ' ' || c == '\t')) || c == NUL
  		    || (cpo_J && (c == ' ' && inc(&tpos) >= 0
  			      && gchar_pos(&tpos) == ' ')))
  		{
  		    pos = tpos;
  		    if (gchar_pos(&pos) == NUL) /* skip NUL at EOL */
  			inc(&pos);
  		    break;
  		}
  	    }
  	    if ((*func)(&pos) == -1)
  	    {
  		if (count)
  		    return FAIL;
  		noskip = TRUE;
  		break;
  	    }
  	}
  found:
  	    /* skip white space */
  	while (!noskip && ((c = gchar_pos(&pos)) == ' ' || c == '\t'))
  	    if (incl(&pos) == -1)
  		break;
      }
  
      setpcmark();
      curwin->w_cursor = pos;
      return OK;
  }
  
  /*
   * Find the next paragraph or section in direction 'dir'.
   * Paragraphs are currently supposed to be separated by empty lines.
   * If 'what' is NUL we go to the next paragraph.
   * If 'what' is '{' or '}' we go to the next section.
   * If 'both' is TRUE also stop at '}'.
   * Return TRUE if the next paragraph or section was found.
   */
      int
  findpar(
      int		*pincl,	    /* Return: TRUE if last char is to be included */
      int		dir,
      long	count,
      int		what,
      int		both)
  {
      linenr_T	curr;
      int		did_skip;   /* TRUE after separating lines have been skipped */
      int		first;	    /* TRUE on first line */
      int		posix = (vim_strchr(p_cpo, CPO_PARA) != NULL);
  #ifdef FEAT_FOLDING
      linenr_T	fold_first; /* first line of a closed fold */
      linenr_T	fold_last;  /* last line of a closed fold */
      int		fold_skipped; /* TRUE if a closed fold was skipped this
  				 iteration */
  #endif
  
      curr = curwin->w_cursor.lnum;
  
      while (count--)
      {
  	did_skip = FALSE;
  	for (first = TRUE; ; first = FALSE)
  	{
  	    if (*ml_get(curr) != NUL)
  		did_skip = TRUE;
  
  #ifdef FEAT_FOLDING
  	    /* skip folded lines */
  	    fold_skipped = FALSE;
  	    if (first && hasFolding(curr, &fold_first, &fold_last))
  	    {
  		curr = ((dir > 0) ? fold_last : fold_first) + dir;
  		fold_skipped = TRUE;
  	    }
  #endif
  
  	    /* POSIX has it's own ideas of what a paragraph boundary is and it
  	     * doesn't match historical Vi: It also stops at a "{" in the
  	     * first column and at an empty line. */
  	    if (!first && did_skip && (startPS(curr, what, both)
  			   || (posix && what == NUL && *ml_get(curr) == '{')))
  		break;
  
  #ifdef FEAT_FOLDING
  	    if (fold_skipped)
  		curr -= dir;
  #endif
  	    if ((curr += dir) < 1 || curr > curbuf->b_ml.ml_line_count)
  	    {
  		if (count)
  		    return FALSE;
  		curr -= dir;
  		break;
  	    }
  	}
      }
      setpcmark();
      if (both && *ml_get(curr) == '}')	/* include line with '}' */
  	++curr;
      curwin->w_cursor.lnum = curr;
      if (curr == curbuf->b_ml.ml_line_count && what != '}')
      {
  	char_u *line = ml_get(curr);
  
  	/* Put the cursor on the last character in the last line and make the
  	 * motion inclusive. */
  	if ((curwin->w_cursor.col = (colnr_T)STRLEN(line)) != 0)
  	{
  	    --curwin->w_cursor.col;
  #ifdef FEAT_MBYTE
  	    curwin->w_cursor.col -=
  			     (*mb_head_off)(line, line + curwin->w_cursor.col);
  #endif
  	    *pincl = TRUE;
  	}
      }
      else
  	curwin->w_cursor.col = 0;
      return TRUE;
  }
  
  /*
   * check if the string 's' is a nroff macro that is in option 'opt'
   */
      static int
  inmacro(char_u *opt, char_u *s)
  {
      char_u	*macro;
  
      for (macro = opt; macro[0]; ++macro)
      {
  	/* Accept two characters in the option being equal to two characters
  	 * in the line.  A space in the option matches with a space in the
  	 * line or the line having ended. */
  	if (       (macro[0] == s[0]
  		    || (macro[0] == ' '
  			&& (s[0] == NUL || s[0] == ' ')))
  		&& (macro[1] == s[1]
  		    || ((macro[1] == NUL || macro[1] == ' ')
  			&& (s[0] == NUL || s[1] == NUL || s[1] == ' '))))
  	    break;
  	++macro;
  	if (macro[0] == NUL)
  	    break;
      }
      return (macro[0] != NUL);
  }
  
  /*
   * startPS: return TRUE if line 'lnum' is the start of a section or paragraph.
   * If 'para' is '{' or '}' only check for sections.
   * If 'both' is TRUE also stop at '}'
   */
      int
  startPS(linenr_T lnum, int para, int both)
  {
      char_u	*s;
  
      s = ml_get(lnum);
      if (*s == para || *s == '\f' || (both && *s == '}'))
  	return TRUE;
      if (*s == '.' && (inmacro(p_sections, s + 1) ||
  					   (!para && inmacro(p_para, s + 1))))
  	return TRUE;
      return FALSE;
  }
  
  /*
   * The following routines do the word searches performed by the 'w', 'W',
   * 'b', 'B', 'e', and 'E' commands.
   */
  
  /*
   * To perform these searches, characters are placed into one of three
   * classes, and transitions between classes determine word boundaries.
   *
   * The classes are:
   *
   * 0 - white space
   * 1 - punctuation
   * 2 or higher - keyword characters (letters, digits and underscore)
   */
  
  static int	cls_bigword;	/* TRUE for "W", "B" or "E" */
  
  /*
   * cls() - returns the class of character at curwin->w_cursor
   *
   * If a 'W', 'B', or 'E' motion is being done (cls_bigword == TRUE), chars
   * from class 2 and higher are reported as class 1 since only white space
   * boundaries are of interest.
   */
      static int
  cls(void)
  {
      int	    c;
  
      c = gchar_cursor();
  #ifdef FEAT_FKMAP	/* when 'akm' (Farsi mode), take care of Farsi blank */
      if (p_altkeymap && c == F_BLANK)
  	return 0;
  #endif
      if (c == ' ' || c == '\t' || c == NUL)
  	return 0;
  #ifdef FEAT_MBYTE
      if (enc_dbcs != 0 && c > 0xFF)
      {
  	/* If cls_bigword, report multi-byte chars as class 1. */
  	if (enc_dbcs == DBCS_KOR && cls_bigword)
  	    return 1;
  
  	/* process code leading/trailing bytes */
  	return dbcs_class(((unsigned)c >> 8), (c & 0xFF));
      }
      if (enc_utf8)
      {
  	c = utf_class(c);
  	if (c != 0 && cls_bigword)
  	    return 1;
  	return c;
      }
  #endif
  
      /* If cls_bigword is TRUE, report all non-blanks as class 1. */
      if (cls_bigword)
  	return 1;
  
      if (vim_iswordc(c))
  	return 2;
      return 1;
  }
  
  
  /*
   * fwd_word(count, type, eol) - move forward one word
   *
   * Returns FAIL if the cursor was already at the end of the file.
   * If eol is TRUE, last word stops at end of line (for operators).
   */
      int
  fwd_word(
      long	count,
      int		bigword,    /* "W", "E" or "B" */
      int		eol)
  {
      int		sclass;	    /* starting class */
      int		i;
      int		last_line;
  
  #ifdef FEAT_VIRTUALEDIT
      curwin->w_cursor.coladd = 0;
  #endif
      cls_bigword = bigword;
      while (--count >= 0)
      {
  #ifdef FEAT_FOLDING
  	/* When inside a range of folded lines, move to the last char of the
  	 * last line. */
  	if (hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum))
  	    coladvance((colnr_T)MAXCOL);
  #endif
  	sclass = cls();
  
  	/*
  	 * We always move at least one character, unless on the last
  	 * character in the buffer.
  	 */
  	last_line = (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count);
  	i = inc_cursor();
  	if (i == -1 || (i >= 1 && last_line)) /* started at last char in file */
  	    return FAIL;
  	if (i >= 1 && eol && count == 0)      /* started at last char in line */
  	    return OK;
  
  	/*
  	 * Go one char past end of current word (if any)
  	 */
  	if (sclass != 0)
  	    while (cls() == sclass)
  	    {
  		i = inc_cursor();
  		if (i == -1 || (i >= 1 && eol && count == 0))
  		    return OK;
  	    }
  
  	/*
  	 * go to next non-white
  	 */
  	while (cls() == 0)
  	{
  	    /*
  	     * We'll stop if we land on a blank line
  	     */
  	    if (curwin->w_cursor.col == 0 && *ml_get_curline() == NUL)
  		break;
  
  	    i = inc_cursor();
  	    if (i == -1 || (i >= 1 && eol && count == 0))
  		return OK;
  	}
      }
      return OK;
  }
  
  /*
   * bck_word() - move backward 'count' words
   *
   * If stop is TRUE and we are already on the start of a word, move one less.
   *
   * Returns FAIL if top of the file was reached.
   */
      int
  bck_word(long count, int bigword, int stop)
  {
      int		sclass;	    /* starting class */
  
  #ifdef FEAT_VIRTUALEDIT
      curwin->w_cursor.coladd = 0;
  #endif
      cls_bigword = bigword;
      while (--count >= 0)
      {
  #ifdef FEAT_FOLDING
  	/* When inside a range of folded lines, move to the first char of the
  	 * first line. */
  	if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL))
  	    curwin->w_cursor.col = 0;
  #endif
  	sclass = cls();
  	if (dec_cursor() == -1)		/* started at start of file */
  	    return FAIL;
  
  	if (!stop || sclass == cls() || sclass == 0)
  	{
  	    /*
  	     * Skip white space before the word.
  	     * Stop on an empty line.
  	     */
  	    while (cls() == 0)
  	    {
  		if (curwin->w_cursor.col == 0
  				      && LINEEMPTY(curwin->w_cursor.lnum))
  		    goto finished;
  		if (dec_cursor() == -1) /* hit start of file, stop here */
  		    return OK;
  	    }
  
  	    /*
  	     * Move backward to start of this word.
  	     */
  	    if (skip_chars(cls(), BACKWARD))
  		return OK;
  	}
  
  	inc_cursor();			/* overshot - forward one */
  finished:
  	stop = FALSE;
      }
      return OK;
  }
  
  /*
   * end_word() - move to the end of the word
   *
   * There is an apparent bug in the 'e' motion of the real vi. At least on the
   * System V Release 3 version for the 80386. Unlike 'b' and 'w', the 'e'
   * motion crosses blank lines. When the real vi crosses a blank line in an
   * 'e' motion, the cursor is placed on the FIRST character of the next
   * non-blank line. The 'E' command, however, works correctly. Since this
   * appears to be a bug, I have not duplicated it here.
   *
   * Returns FAIL if end of the file was reached.
   *
   * If stop is TRUE and we are already on the end of a word, move one less.
   * If empty is TRUE stop on an empty line.
   */
      int
  end_word(
      long	count,
      int		bigword,
      int		stop,
      int		empty)
  {
      int		sclass;	    /* starting class */
  
  #ifdef FEAT_VIRTUALEDIT
      curwin->w_cursor.coladd = 0;
  #endif
      cls_bigword = bigword;
      while (--count >= 0)
      {
  #ifdef FEAT_FOLDING
  	/* When inside a range of folded lines, move to the last char of the
  	 * last line. */
  	if (hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum))
  	    coladvance((colnr_T)MAXCOL);
  #endif
  	sclass = cls();
  	if (inc_cursor() == -1)
  	    return FAIL;
  
  	/*
  	 * If we're in the middle of a word, we just have to move to the end
  	 * of it.
  	 */
  	if (cls() == sclass && sclass != 0)
  	{
  	    /*
  	     * Move forward to end of the current word
  	     */
  	    if (skip_chars(sclass, FORWARD))
  		return FAIL;
  	}
  	else if (!stop || sclass == 0)
  	{
  	    /*
  	     * We were at the end of a word. Go to the end of the next word.
  	     * First skip white space, if 'empty' is TRUE, stop at empty line.
  	     */
  	    while (cls() == 0)
  	    {
  		if (empty && curwin->w_cursor.col == 0
  					  && LINEEMPTY(curwin->w_cursor.lnum))
  		    goto finished;
  		if (inc_cursor() == -1)	    /* hit end of file, stop here */
  		    return FAIL;
  	    }
  
  	    /*
  	     * Move forward to the end of this word.
  	     */
  	    if (skip_chars(cls(), FORWARD))
  		return FAIL;
  	}
  	dec_cursor();			/* overshot - one char backward */
  finished:
  	stop = FALSE;			/* we move only one word less */
      }
      return OK;
  }
  
  /*
   * Move back to the end of the word.
   *
   * Returns FAIL if start of the file was reached.
   */
      int
  bckend_word(
      long	count,
      int		bigword,    /* TRUE for "B" */
      int		eol)	    /* TRUE: stop at end of line. */
  {
      int		sclass;	    /* starting class */
      int		i;
  
  #ifdef FEAT_VIRTUALEDIT
      curwin->w_cursor.coladd = 0;
  #endif
      cls_bigword = bigword;
      while (--count >= 0)
      {
  	sclass = cls();
  	if ((i = dec_cursor()) == -1)
  	    return FAIL;
  	if (eol && i == 1)
  	    return OK;
  
  	/*
  	 * Move backward to before the start of this word.
  	 */
  	if (sclass != 0)
  	{
  	    while (cls() == sclass)
  		if ((i = dec_cursor()) == -1 || (eol && i == 1))
  		    return OK;
  	}
  
  	/*
  	 * Move backward to end of the previous word
  	 */
  	while (cls() == 0)
  	{
  	    if (curwin->w_cursor.col == 0 && LINEEMPTY(curwin->w_cursor.lnum))
  		break;
  	    if ((i = dec_cursor()) == -1 || (eol && i == 1))
  		return OK;
  	}
      }
      return OK;
  }
  
  /*
   * Skip a row of characters of the same class.
   * Return TRUE when end-of-file reached, FALSE otherwise.
   */
      static int
  skip_chars(int cclass, int dir)
  {
      while (cls() == cclass)
  	if ((dir == FORWARD ? inc_cursor() : dec_cursor()) == -1)
  	    return TRUE;
      return FALSE;
  }
  
  #ifdef FEAT_TEXTOBJ
  /*
   * Go back to the start of the word or the start of white space
   */
      static void
  back_in_line(void)
  {
      int		sclass;		    /* starting class */
  
      sclass = cls();
      for (;;)
      {
  	if (curwin->w_cursor.col == 0)	    /* stop at start of line */
  	    break;
  	dec_cursor();
  	if (cls() != sclass)		    /* stop at start of word */
  	{
  	    inc_cursor();
  	    break;
  	}
      }
  }
  
      static void
  find_first_blank(pos_T *posp)
  {
      int	    c;
  
      while (decl(posp) != -1)
      {
  	c = gchar_pos(posp);
  	if (!VIM_ISWHITE(c))
  	{
  	    incl(posp);
  	    break;
  	}
      }
  }
  
  /*
   * Skip count/2 sentences and count/2 separating white spaces.
   */
      static void
  findsent_forward(
      long    count,
      int	    at_start_sent)	/* cursor is at start of sentence */
  {
      while (count--)
      {
  	findsent(FORWARD, 1L);
  	if (at_start_sent)
  	    find_first_blank(&curwin->w_cursor);
  	if (count == 0 || at_start_sent)
  	    decl(&curwin->w_cursor);
  	at_start_sent = !at_start_sent;
      }
  }
  
  /*
   * Find word under cursor, cursor at end.
   * Used while an operator is pending, and in Visual mode.
   */
      int
  current_word(
      oparg_T	*oap,
      long	count,
      int		include,	/* TRUE: include word and white space */
      int		bigword)	/* FALSE == word, TRUE == WORD */
  {
      pos_T	start_pos;
      pos_T	pos;
      int		inclusive = TRUE;
      int		include_white = FALSE;
  
      cls_bigword = bigword;
      CLEAR_POS(&start_pos);
  
      /* Correct cursor when 'selection' is exclusive */
      if (VIsual_active && *p_sel == 'e' && LT_POS(VIsual, curwin->w_cursor))
  	dec_cursor();
  
      /*
       * When Visual mode is not active, or when the VIsual area is only one
       * character, select the word and/or white space under the cursor.
       */
      if (!VIsual_active || EQUAL_POS(curwin->w_cursor, VIsual))
      {
  	/*
  	 * Go to start of current word or white space.
  	 */
  	back_in_line();
  	start_pos = curwin->w_cursor;
  
  	/*
  	 * If the start is on white space, and white space should be included
  	 * ("	word"), or start is not on white space, and white space should
  	 * not be included ("word"), find end of word.
  	 */
  	if ((cls() == 0) == include)
  	{
  	    if (end_word(1L, bigword, TRUE, TRUE) == FAIL)
  		return FAIL;
  	}
  	else
  	{
  	    /*
  	     * If the start is not on white space, and white space should be
  	     * included ("word	 "), or start is on white space and white
  	     * space should not be included ("	 "), find start of word.
  	     * If we end up in the first column of the next line (single char
  	     * word) back up to end of the line.
  	     */
  	    fwd_word(1L, bigword, TRUE);
  	    if (curwin->w_cursor.col == 0)
  		decl(&curwin->w_cursor);
  	    else
  		oneleft();
  
  	    if (include)
  		include_white = TRUE;
  	}
  
  	if (VIsual_active)
  	{
  	    /* should do something when inclusive == FALSE ! */
  	    VIsual = start_pos;
  	    redraw_curbuf_later(INVERTED);	/* update the inversion */
  	}
  	else
  	{
  	    oap->start = start_pos;
  	    oap->motion_type = MCHAR;
  	}
  	--count;
      }
  
      /*
       * When count is still > 0, extend with more objects.
       */
      while (count > 0)
      {
  	inclusive = TRUE;
  	if (VIsual_active && LT_POS(curwin->w_cursor, VIsual))
  	{
  	    /*
  	     * In Visual mode, with cursor at start: move cursor back.
  	     */
  	    if (decl(&curwin->w_cursor) == -1)
  		return FAIL;
  	    if (include != (cls() != 0))
  	    {
  		if (bck_word(1L, bigword, TRUE) == FAIL)
  		    return FAIL;
  	    }
  	    else
  	    {
  		if (bckend_word(1L, bigword, TRUE) == FAIL)
  		    return FAIL;
  		(void)incl(&curwin->w_cursor);
  	    }
  	}
  	else
  	{
  	    /*
  	     * Move cursor forward one word and/or white area.
  	     */
  	    if (incl(&curwin->w_cursor) == -1)
  		return FAIL;
  	    if (include != (cls() == 0))
  	    {
  		if (fwd_word(1L, bigword, TRUE) == FAIL && count > 1)
  		    return FAIL;
  		/*
  		 * If end is just past a new-line, we don't want to include
  		 * the first character on the line.
  		 * Put cursor on last char of white.
  		 */
  		if (oneleft() == FAIL)
  		    inclusive = FALSE;
  	    }
  	    else
  	    {
  		if (end_word(1L, bigword, TRUE, TRUE) == FAIL)
  		    return FAIL;
  	    }
  	}
  	--count;
      }
  
      if (include_white && (cls() != 0
  		 || (curwin->w_cursor.col == 0 && !inclusive)))
      {
  	/*
  	 * If we don't include white space at the end, move the start
  	 * to include some white space there. This makes "daw" work
  	 * better on the last word in a sentence (and "2daw" on last-but-one
  	 * word).  Also when "2daw" deletes "word." at the end of the line
  	 * (cursor is at start of next line).
  	 * But don't delete white space at start of line (indent).
  	 */
  	pos = curwin->w_cursor;	/* save cursor position */
  	curwin->w_cursor = start_pos;
  	if (oneleft() == OK)
  	{
  	    back_in_line();
  	    if (cls() == 0 && curwin->w_cursor.col > 0)
  	    {
  		if (VIsual_active)
  		    VIsual = curwin->w_cursor;
  		else
  		    oap->start = curwin->w_cursor;
  	    }
  	}
  	curwin->w_cursor = pos;	/* put cursor back at end */
      }
  
      if (VIsual_active)
      {
  	if (*p_sel == 'e' && inclusive && LTOREQ_POS(VIsual, curwin->w_cursor))
  	    inc_cursor();
  	if (VIsual_mode == 'V')
  	{
  	    VIsual_mode = 'v';
  	    redraw_cmdline = TRUE;		/* show mode later */
  	}
      }
      else
  	oap->inclusive = inclusive;
  
      return OK;
  }
  
  /*
   * Find sentence(s) under the cursor, cursor at end.
   * When Visual active, extend it by one or more sentences.
   */
      int
  current_sent(oparg_T *oap, long count, int include)
  {
      pos_T	start_pos;
      pos_T	pos;
      int		start_blank;
      int		c;
      int		at_start_sent;
      long	ncount;
  
      start_pos = curwin->w_cursor;
      pos = start_pos;
      findsent(FORWARD, 1L);	/* Find start of next sentence. */
  
      /*
       * When the Visual area is bigger than one character: Extend it.
       */
      if (VIsual_active && !EQUAL_POS(start_pos, VIsual))
      {
  extend:
  	if (LT_POS(start_pos, VIsual))
  	{
  	    /*
  	     * Cursor at start of Visual area.
  	     * Find out where we are:
  	     * - in the white space before a sentence
  	     * - in a sentence or just after it
  	     * - at the start of a sentence
  	     */
  	    at_start_sent = TRUE;
  	    decl(&pos);
  	    while (LT_POS(pos, curwin->w_cursor))
  	    {
  		c = gchar_pos(&pos);
  		if (!VIM_ISWHITE(c))
  		{
  		    at_start_sent = FALSE;
  		    break;
  		}
  		incl(&pos);
  	    }
  	    if (!at_start_sent)
  	    {
  		findsent(BACKWARD, 1L);
  		if (EQUAL_POS(curwin->w_cursor, start_pos))
  		    at_start_sent = TRUE;  /* exactly at start of sentence */
  		else
  		    /* inside a sentence, go to its end (start of next) */
  		    findsent(FORWARD, 1L);
  	    }
  	    if (include)	/* "as" gets twice as much as "is" */
  		count *= 2;
  	    while (count--)
  	    {
  		if (at_start_sent)
  		    find_first_blank(&curwin->w_cursor);
  		c = gchar_cursor();
  		if (!at_start_sent || (!include && !VIM_ISWHITE(c)))
  		    findsent(BACKWARD, 1L);
  		at_start_sent = !at_start_sent;
  	    }
  	}
  	else
  	{
  	    /*
  	     * Cursor at end of Visual area.
  	     * Find out where we are:
  	     * - just before a sentence
  	     * - just before or in the white space before a sentence
  	     * - in a sentence
  	     */
  	    incl(&pos);
  	    at_start_sent = TRUE;
  	    /* not just before a sentence */
  	    if (!EQUAL_POS(pos, curwin->w_cursor))
  	    {
  		at_start_sent = FALSE;
  		while (LT_POS(pos, curwin->w_cursor))
  		{
  		    c = gchar_pos(&pos);
  		    if (!VIM_ISWHITE(c))
  		    {
  			at_start_sent = TRUE;
  			break;
  		    }
  		    incl(&pos);
  		}
  		if (at_start_sent)	/* in the sentence */
  		    findsent(BACKWARD, 1L);
  		else		/* in/before white before a sentence */
  		    curwin->w_cursor = start_pos;
  	    }
  
  	    if (include)	/* "as" gets twice as much as "is" */
  		count *= 2;
  	    findsent_forward(count, at_start_sent);
  	    if (*p_sel == 'e')
  		++curwin->w_cursor.col;
  	}
  	return OK;
      }
  
      /*
       * If the cursor started on a blank, check if it is just before the start
       * of the next sentence.
       */
      while (c = gchar_pos(&pos), VIM_ISWHITE(c))	/* VIM_ISWHITE() is a macro */
  	incl(&pos);
      if (EQUAL_POS(pos, curwin->w_cursor))
      {
  	start_blank = TRUE;
  	find_first_blank(&start_pos);	/* go back to first blank */
      }
      else
      {
  	start_blank = FALSE;
  	findsent(BACKWARD, 1L);
  	start_pos = curwin->w_cursor;
      }
      if (include)
  	ncount = count * 2;
      else
      {
  	ncount = count;
  	if (start_blank)
  	    --ncount;
      }
      if (ncount > 0)
  	findsent_forward(ncount, TRUE);
      else
  	decl(&curwin->w_cursor);
  
      if (include)
      {
  	/*
  	 * If the blank in front of the sentence is included, exclude the
  	 * blanks at the end of the sentence, go back to the first blank.
  	 * If there are no trailing blanks, try to include leading blanks.
  	 */
  	if (start_blank)
  	{
  	    find_first_blank(&curwin->w_cursor);
  	    c = gchar_pos(&curwin->w_cursor);	/* VIM_ISWHITE() is a macro */
  	    if (VIM_ISWHITE(c))
  		decl(&curwin->w_cursor);
  	}
  	else if (c = gchar_cursor(), !VIM_ISWHITE(c))
  	    find_first_blank(&start_pos);
      }
  
      if (VIsual_active)
      {
  	/* Avoid getting stuck with "is" on a single space before a sentence. */
  	if (EQUAL_POS(start_pos, curwin->w_cursor))
  	    goto extend;
  	if (*p_sel == 'e')
  	    ++curwin->w_cursor.col;
  	VIsual = start_pos;
  	VIsual_mode = 'v';
  	redraw_cmdline = TRUE;		/* show mode later */
  	redraw_curbuf_later(INVERTED);	/* update the inversion */
      }
      else
      {
  	/* include a newline after the sentence, if there is one */
  	if (incl(&curwin->w_cursor) == -1)
  	    oap->inclusive = TRUE;
  	else
  	    oap->inclusive = FALSE;
  	oap->start = start_pos;
  	oap->motion_type = MCHAR;
      }
      return OK;
  }
  
  /*
   * Find block under the cursor, cursor at end.
   * "what" and "other" are two matching parenthesis/brace/etc.
   */
      int
  current_block(
      oparg_T	*oap,
      long	count,
      int		include,	/* TRUE == include white space */
      int		what,		/* '(', '{', etc. */
      int		other)		/* ')', '}', etc. */
  {
      pos_T	old_pos;
      pos_T	*pos = NULL;
      pos_T	start_pos;
      pos_T	*end_pos;
      pos_T	old_start, old_end;
      char_u	*save_cpo;
      int		sol = FALSE;		/* '{' at start of line */
  
      old_pos = curwin->w_cursor;
      old_end = curwin->w_cursor;		/* remember where we started */
      old_start = old_end;
  
      /*
       * If we start on '(', '{', ')', '}', etc., use the whole block inclusive.
       */
      if (!VIsual_active || EQUAL_POS(VIsual, curwin->w_cursor))
      {
  	setpcmark();
  	if (what == '{')		/* ignore indent */
  	    while (inindent(1))
  		if (inc_cursor() != 0)
  		    break;
  	if (gchar_cursor() == what)
  	    /* cursor on '(' or '{', move cursor just after it */
  	    ++curwin->w_cursor.col;
      }
      else if (LT_POS(VIsual, curwin->w_cursor))
      {
  	old_start = VIsual;
  	curwin->w_cursor = VIsual;	    /* cursor at low end of Visual */
      }
      else
  	old_end = VIsual;
  
      /*
       * Search backwards for unclosed '(', '{', etc..
       * Put this position in start_pos.
       * Ignore quotes here.  Keep the "M" flag in 'cpo', as that is what the
       * user wants.
       */
      save_cpo = p_cpo;
      p_cpo = (char_u *)(vim_strchr(p_cpo, CPO_MATCHBSL) != NULL ? "%M" : "%");
      while (count-- > 0)
      {
  	if ((pos = findmatch(NULL, what)) == NULL)
  	    break;
  	curwin->w_cursor = *pos;
  	start_pos = *pos;   /* the findmatch for end_pos will overwrite *pos */
      }
      p_cpo = save_cpo;
  
      /*
       * Search for matching ')', '}', etc.
       * Put this position in curwin->w_cursor.
       */
      if (pos == NULL || (end_pos = findmatch(NULL, other)) == NULL)
      {
  	curwin->w_cursor = old_pos;
  	return FAIL;
      }
      curwin->w_cursor = *end_pos;
  
      /*
       * Try to exclude the '(', '{', ')', '}', etc. when "include" is FALSE.
       * If the ending '}', ')' or ']' is only preceded by indent, skip that
       * indent.  But only if the resulting area is not smaller than what we
       * started with.
       */
      while (!include)
      {
  	incl(&start_pos);
  	sol = (curwin->w_cursor.col == 0);
  	decl(&curwin->w_cursor);
  	while (inindent(1))
  	{
  	    sol = TRUE;
  	    if (decl(&curwin->w_cursor) != 0)
  		break;
  	}
  
  	/*
  	 * In Visual mode, when the resulting area is not bigger than what we
  	 * started with, extend it to the next block, and then exclude again.
  	 */
  	if (!LT_POS(start_pos, old_start) && !LT_POS(old_end, curwin->w_cursor)
  		&& VIsual_active)
  	{
  	    curwin->w_cursor = old_start;
  	    decl(&curwin->w_cursor);
  	    if ((pos = findmatch(NULL, what)) == NULL)
  	    {
  		curwin->w_cursor = old_pos;
  		return FAIL;
  	    }
  	    start_pos = *pos;
  	    curwin->w_cursor = *pos;
  	    if ((end_pos = findmatch(NULL, other)) == NULL)
  	    {
  		curwin->w_cursor = old_pos;
  		return FAIL;
  	    }
  	    curwin->w_cursor = *end_pos;
  	}
  	else
  	    break;
      }
  
      if (VIsual_active)
      {
  	if (*p_sel == 'e')
  	    inc(&curwin->w_cursor);
  	if (sol && gchar_cursor() != NUL)
  	    inc(&curwin->w_cursor);	/* include the line break */
  	VIsual = start_pos;
  	VIsual_mode = 'v';
  	redraw_curbuf_later(INVERTED);	/* update the inversion */
  	showmode();
      }
      else
      {
  	oap->start = start_pos;
  	oap->motion_type = MCHAR;
  	oap->inclusive = FALSE;
  	if (sol)
  	    incl(&curwin->w_cursor);
  	else if (LTOREQ_POS(start_pos, curwin->w_cursor))
  	    /* Include the character under the cursor. */
  	    oap->inclusive = TRUE;
  	else
  	    /* End is before the start (no text in between <>, [], etc.): don't
  	     * operate on any text. */
  	    curwin->w_cursor = start_pos;
      }
  
      return OK;
  }
  
  static int in_html_tag(int);
  
  /*
   * Return TRUE if the cursor is on a "<aaa>" tag.  Ignore "<aaa/>".
   * When "end_tag" is TRUE return TRUE if the cursor is on "</aaa>".
   */
      static int
  in_html_tag(
      int		end_tag)
  {
      char_u	*line = ml_get_curline();
      char_u	*p;
      int		c;
      int		lc = NUL;
      pos_T	pos;
  
  #ifdef FEAT_MBYTE
      if (enc_dbcs)
      {
  	char_u	*lp = NULL;
  
  	/* We search forward until the cursor, because searching backwards is
  	 * very slow for DBCS encodings. */
  	for (p = line; p < line + curwin->w_cursor.col; MB_PTR_ADV(p))
  	    if (*p == '>' || *p == '<')
  	    {
  		lc = *p;
  		lp = p;
  	    }
  	if (*p != '<')	    /* check for '<' under cursor */
  	{
  	    if (lc != '<')
  		return FALSE;
  	    p = lp;
  	}
      }
      else
  #endif
      {
  	for (p = line + curwin->w_cursor.col; p > line; )
  	{
  	    if (*p == '<')	/* find '<' under/before cursor */
  		break;
  	    MB_PTR_BACK(line, p);
  	    if (*p == '>')	/* find '>' before cursor */
  		break;
  	}
  	if (*p != '<')
  	    return FALSE;
      }
  
      pos.lnum = curwin->w_cursor.lnum;
      pos.col = (colnr_T)(p - line);
  
      MB_PTR_ADV(p);
      if (end_tag)
  	/* check that there is a '/' after the '<' */
  	return *p == '/';
  
      /* check that there is no '/' after the '<' */
      if (*p == '/')
  	return FALSE;
  
      /* check that the matching '>' is not preceded by '/' */
      for (;;)
      {
  	if (inc(&pos) < 0)
  	    return FALSE;
  	c = *ml_get_pos(&pos);
  	if (c == '>')
  	    break;
  	lc = c;
      }
      return lc != '/';
  }
  
  /*
   * Find tag block under the cursor, cursor at end.
   */
      int
  current_tagblock(
      oparg_T	*oap,
      long	count_arg,
      int		include)	/* TRUE == include white space */
  {
      long	count = count_arg;
      long	n;
      pos_T	old_pos;
      pos_T	start_pos;
      pos_T	end_pos;
      pos_T	old_start, old_end;
      char_u	*spat, *epat;
      char_u	*p;
      char_u	*cp;
      int		len;
      int		r;
      int		do_include = include;
      int		save_p_ws = p_ws;
      int		retval = FAIL;
      int		is_inclusive = TRUE;
  
      p_ws = FALSE;
  
      old_pos = curwin->w_cursor;
      old_end = curwin->w_cursor;		    /* remember where we started */
      old_start = old_end;
      if (!VIsual_active || *p_sel == 'e')
  	decl(&old_end);			    /* old_end is inclusive */
  
      /*
       * If we start on "<aaa>" select that block.
       */
      if (!VIsual_active || EQUAL_POS(VIsual, curwin->w_cursor))
      {
  	setpcmark();
  
  	/* ignore indent */
  	while (inindent(1))
  	    if (inc_cursor() != 0)
  		break;
  
  	if (in_html_tag(FALSE))
  	{
  	    /* cursor on start tag, move to its '>' */
  	    while (*ml_get_cursor() != '>')
  		if (inc_cursor() < 0)
  		    break;
  	}
  	else if (in_html_tag(TRUE))
  	{
  	    /* cursor on end tag, move to just before it */
  	    while (*ml_get_cursor() != '<')
  		if (dec_cursor() < 0)
  		    break;
  	    dec_cursor();
  	    old_end = curwin->w_cursor;
  	}
      }
      else if (LT_POS(VIsual, curwin->w_cursor))
      {
  	old_start = VIsual;
  	curwin->w_cursor = VIsual;	    /* cursor at low end of Visual */
      }
      else
  	old_end = VIsual;
  
  again:
      /*
       * Search backwards for unclosed "<aaa>".
       * Put this position in start_pos.
       */
      for (n = 0; n < count; ++n)
      {
  	if (do_searchpair((char_u *)"<[^ \t>/!]\\+\\%(\\_s\\_[^>]\\{-}[^/]>\\|$\\|\\_s\\=>\\)",
  		    (char_u *)"",
  		    (char_u *)"</[^>]*>", BACKWARD, NULL, 0,
  						  NULL, (linenr_T)0, 0L) <= 0)
  	{
  	    curwin->w_cursor = old_pos;
  	    goto theend;
  	}
      }
      start_pos = curwin->w_cursor;
  
      /*
       * Search for matching "</aaa>".  First isolate the "aaa".
       */
      inc_cursor();
      p = ml_get_cursor();
      for (cp = p; *cp != NUL && *cp != '>' && !VIM_ISWHITE(*cp); MB_PTR_ADV(cp))
  	;
      len = (int)(cp - p);
      if (len == 0)
      {
  	curwin->w_cursor = old_pos;
  	goto theend;
      }
      spat = alloc(len + 31);
      epat = alloc(len + 9);
      if (spat == NULL || epat == NULL)
      {
  	vim_free(spat);
  	vim_free(epat);
  	curwin->w_cursor = old_pos;
  	goto theend;
      }
      sprintf((char *)spat, "<%.*s\\>\\%%(\\s\\_[^>]\\{-}[^/]>\\|>\\)\\c", len, p);
      sprintf((char *)epat, "</%.*s>\\c", len, p);
  
      r = do_searchpair(spat, (char_u *)"", epat, FORWARD, NULL,
  						    0, NULL, (linenr_T)0, 0L);
  
      vim_free(spat);
      vim_free(epat);
  
      if (r < 1 || LT_POS(curwin->w_cursor, old_end))
      {
  	/* Can't find other end or it's before the previous end.  Could be a
  	 * HTML tag that doesn't have a matching end.  Search backwards for
  	 * another starting tag. */
  	count = 1;
  	curwin->w_cursor = start_pos;
  	goto again;
      }
  
      if (do_include)
      {
  	/* Include up to the '>'. */
  	while (*ml_get_cursor() != '>')
  	    if (inc_cursor() < 0)
  		break;
      }
      else
      {
  	char_u *c = ml_get_cursor();
  
  	/* Exclude the '<' of the end tag.
  	 * If the closing tag is on new line, do not decrement cursor, but
  	 * make operation exclusive, so that the linefeed will be selected */
  	if (*c == '<' && !VIsual_active && curwin->w_cursor.col == 0)
  	    /* do not decrement cursor */
  	    is_inclusive = FALSE;
  	else if (*c == '<')
  	    dec_cursor();
      }
      end_pos = curwin->w_cursor;
  
      if (!do_include)
      {
  	/* Exclude the start tag. */
  	curwin->w_cursor = start_pos;
  	while (inc_cursor() >= 0)
  	    if (*ml_get_cursor() == '>')
  	    {
  		inc_cursor();
  		start_pos = curwin->w_cursor;
  		break;
  	    }
  	curwin->w_cursor = end_pos;
  
  	/* If we now have the same text as before reset "do_include" and try
  	 * again. */
  	if (EQUAL_POS(start_pos, old_start) && EQUAL_POS(end_pos, old_end))
  	{
  	    do_include = TRUE;
  	    curwin->w_cursor = old_start;
  	    count = count_arg;
  	    goto again;
  	}
      }
  
      if (VIsual_active)
      {
  	/* If the end is before the start there is no text between tags, select
  	 * the char under the cursor. */
  	if (LT_POS(end_pos, start_pos))
  	    curwin->w_cursor = start_pos;
  	else if (*p_sel == 'e')
  	    inc_cursor();
  	VIsual = start_pos;
  	VIsual_mode = 'v';
  	redraw_curbuf_later(INVERTED);	/* update the inversion */
  	showmode();
      }
      else
      {
  	oap->start = start_pos;
  	oap->motion_type = MCHAR;
  	if (LT_POS(end_pos, start_pos))
  	{
  	    /* End is before the start: there is no text between tags; operate
  	     * on an empty area. */
  	    curwin->w_cursor = start_pos;
  	    oap->inclusive = FALSE;
  	}
  	else
  	    oap->inclusive = is_inclusive;
      }
      retval = OK;
  
  theend:
      p_ws = save_p_ws;
      return retval;
  }
  
      int
  current_par(
      oparg_T	*oap,
      long	count,
      int		include,	/* TRUE == include white space */
      int		type)		/* 'p' for paragraph, 'S' for section */
  {
      linenr_T	start_lnum;
      linenr_T	end_lnum;
      int		white_in_front;
      int		dir;
      int		start_is_white;
      int		prev_start_is_white;
      int		retval = OK;
      int		do_white = FALSE;
      int		t;
      int		i;
  
      if (type == 'S')	    /* not implemented yet */
  	return FAIL;
  
      start_lnum = curwin->w_cursor.lnum;
  
      /*
       * When visual area is more than one line: extend it.
       */
      if (VIsual_active && start_lnum != VIsual.lnum)
      {
  extend:
  	if (start_lnum < VIsual.lnum)
  	    dir = BACKWARD;
  	else
  	    dir = FORWARD;
  	for (i = count; --i >= 0; )
  	{
  	    if (start_lnum ==
  			   (dir == BACKWARD ? 1 : curbuf->b_ml.ml_line_count))
  	    {
  		retval = FAIL;
  		break;
  	    }
  
  	    prev_start_is_white = -1;
  	    for (t = 0; t < 2; ++t)
  	    {
  		start_lnum += dir;
  		start_is_white = linewhite(start_lnum);
  		if (prev_start_is_white == start_is_white)
  		{
  		    start_lnum -= dir;
  		    break;
  		}
  		for (;;)
  		{
  		    if (start_lnum == (dir == BACKWARD
  					    ? 1 : curbuf->b_ml.ml_line_count))
  			break;
  		    if (start_is_white != linewhite(start_lnum + dir)
  			    || (!start_is_white
  				    && startPS(start_lnum + (dir > 0
  							     ? 1 : 0), 0, 0)))
  			break;
  		    start_lnum += dir;
  		}
  		if (!include)
  		    break;
  		if (start_lnum == (dir == BACKWARD
  					    ? 1 : curbuf->b_ml.ml_line_count))
  		    break;
  		prev_start_is_white = start_is_white;
  	    }
  	}
  	curwin->w_cursor.lnum = start_lnum;
  	curwin->w_cursor.col = 0;
  	return retval;
      }
  
      /*
       * First move back to the start_lnum of the paragraph or white lines
       */
      white_in_front = linewhite(start_lnum);
      while (start_lnum > 1)
      {
  	if (white_in_front)	    /* stop at first white line */
  	{
  	    if (!linewhite(start_lnum - 1))
  		break;
  	}
  	else		/* stop at first non-white line of start of paragraph */
  	{
  	    if (linewhite(start_lnum - 1) || startPS(start_lnum, 0, 0))
  		break;
  	}
  	--start_lnum;
      }
  
      /*
       * Move past the end of any white lines.
       */
      end_lnum = start_lnum;
      while (end_lnum <= curbuf->b_ml.ml_line_count && linewhite(end_lnum))
  	++end_lnum;
  
      --end_lnum;
      i = count;
      if (!include && white_in_front)
  	--i;
      while (i--)
      {
  	if (end_lnum == curbuf->b_ml.ml_line_count)
  	    return FAIL;
  
  	if (!include)
  	    do_white = linewhite(end_lnum + 1);
  
  	if (include || !do_white)
  	{
  	    ++end_lnum;
  	    /*
  	     * skip to end of paragraph
  	     */
  	    while (end_lnum < curbuf->b_ml.ml_line_count
  		    && !linewhite(end_lnum + 1)
  		    && !startPS(end_lnum + 1, 0, 0))
  		++end_lnum;
  	}
  
  	if (i == 0 && white_in_front && include)
  	    break;
  
  	/*
  	 * skip to end of white lines after paragraph
  	 */
  	if (include || do_white)
  	    while (end_lnum < curbuf->b_ml.ml_line_count
  						   && linewhite(end_lnum + 1))
  		++end_lnum;
      }
  
      /*
       * If there are no empty lines at the end, try to find some empty lines at
       * the start (unless that has been done already).
       */
      if (!white_in_front && !linewhite(end_lnum) && include)
  	while (start_lnum > 1 && linewhite(start_lnum - 1))
  	    --start_lnum;
  
      if (VIsual_active)
      {
  	/* Problem: when doing "Vipipip" nothing happens in a single white
  	 * line, we get stuck there.  Trap this here. */
  	if (VIsual_mode == 'V' && start_lnum == curwin->w_cursor.lnum)
  	    goto extend;
  	if (VIsual.lnum != start_lnum)
  	{
  	    VIsual.lnum = start_lnum;
  	    VIsual.col = 0;
  	}
  	VIsual_mode = 'V';
  	redraw_curbuf_later(INVERTED);	/* update the inversion */
  	showmode();
      }
      else
      {
  	oap->start.lnum = start_lnum;
  	oap->start.col = 0;
  	oap->motion_type = MLINE;
      }
      curwin->w_cursor.lnum = end_lnum;
      curwin->w_cursor.col = 0;
  
      return OK;
  }
  
  static int find_next_quote(char_u *top_ptr, int col, int quotechar, char_u *escape);
  static int find_prev_quote(char_u *line, int col_start, int quotechar, char_u *escape);
  
  /*
   * Search quote char from string line[col].
   * Quote character escaped by one of the characters in "escape" is not counted
   * as a quote.
   * Returns column number of "quotechar" or -1 when not found.
   */
      static int
  find_next_quote(
      char_u	*line,
      int		col,
      int		quotechar,
      char_u	*escape)	/* escape characters, can be NULL */
  {
      int		c;
  
      for (;;)
      {
  	c = line[col];
  	if (c == NUL)
  	    return -1;
  	else if (escape != NULL && vim_strchr(escape, c))
  	    ++col;
  	else if (c == quotechar)
  	    break;
  #ifdef FEAT_MBYTE
  	if (has_mbyte)
  	    col += (*mb_ptr2len)(line + col);
  	else
  #endif
  	    ++col;
      }
      return col;
  }
  
  /*
   * Search backwards in "line" from column "col_start" to find "quotechar".
   * Quote character escaped by one of the characters in "escape" is not counted
   * as a quote.
   * Return the found column or zero.
   */
      static int
  find_prev_quote(
      char_u	*line,
      int		col_start,
      int		quotechar,
      char_u	*escape)	/* escape characters, can be NULL */
  {
      int		n;
  
      while (col_start > 0)
      {
  	--col_start;
  #ifdef FEAT_MBYTE
  	col_start -= (*mb_head_off)(line, line + col_start);
  #endif
  	n = 0;
  	if (escape != NULL)
  	    while (col_start - n > 0 && vim_strchr(escape,
  					     line[col_start - n - 1]) != NULL)
  	    ++n;
  	if (n & 1)
  	    col_start -= n;	/* uneven number of escape chars, skip it */
  	else if (line[col_start] == quotechar)
  	    break;
      }
      return col_start;
  }
  
  /*
   * Find quote under the cursor, cursor at end.
   * Returns TRUE if found, else FALSE.
   */
      int
  current_quote(
      oparg_T	*oap,
      long	count,
      int		include,	/* TRUE == include quote char */
      int		quotechar)	/* Quote character */
  {
      char_u	*line = ml_get_curline();
      int		col_end;
      int		col_start = curwin->w_cursor.col;
      int		inclusive = FALSE;
      int		vis_empty = TRUE;	/* Visual selection <= 1 char */
      int		vis_bef_curs = FALSE;	/* Visual starts before cursor */
      int		inside_quotes = FALSE;	/* Looks like "i'" done before */
      int		selected_quote = FALSE;	/* Has quote inside selection */
      int		i;
  
      /* Correct cursor when 'selection' is "exclusive". */
      if (VIsual_active)
      {
  	/* this only works within one line */
  	if (VIsual.lnum != curwin->w_cursor.lnum)
  	    return FALSE;
  
  	vis_bef_curs = LT_POS(VIsual, curwin->w_cursor);
  	if (*p_sel == 'e')
  	{
  	    if (!vis_bef_curs)
  	    {
  		/* VIsual needs to be start of Visual selection. */
  		pos_T t = curwin->w_cursor;
  
  		curwin->w_cursor = VIsual;
  		VIsual = t;
  		vis_bef_curs = TRUE;
  	    }
  	    dec_cursor();
  	}
  	vis_empty = EQUAL_POS(VIsual, curwin->w_cursor);
      }
  
      if (!vis_empty)
      {
  	/* Check if the existing selection exactly spans the text inside
  	 * quotes. */
  	if (vis_bef_curs)
  	{
  	    inside_quotes = VIsual.col > 0
  			&& line[VIsual.col - 1] == quotechar
  			&& line[curwin->w_cursor.col] != NUL
  			&& line[curwin->w_cursor.col + 1] == quotechar;
  	    i = VIsual.col;
  	    col_end = curwin->w_cursor.col;
  	}
  	else
  	{
  	    inside_quotes = curwin->w_cursor.col > 0
  			&& line[curwin->w_cursor.col - 1] == quotechar
  			&& line[VIsual.col] != NUL
  			&& line[VIsual.col + 1] == quotechar;
  	    i = curwin->w_cursor.col;
  	    col_end = VIsual.col;
  	}
  
  	/* Find out if we have a quote in the selection. */
  	while (i <= col_end)
  	    if (line[i++] == quotechar)
  	    {
  		selected_quote = TRUE;
  		break;
  	    }
      }
  
      if (!vis_empty && line[col_start] == quotechar)
      {
  	/* Already selecting something and on a quote character.  Find the
  	 * next quoted string. */
  	if (vis_bef_curs)
  	{
  	    /* Assume we are on a closing quote: move to after the next
  	     * opening quote. */
  	    col_start = find_next_quote(line, col_start + 1, quotechar, NULL);
  	    if (col_start < 0)
  		return FALSE;
  	    col_end = find_next_quote(line, col_start + 1, quotechar,
  							      curbuf->b_p_qe);
  	    if (col_end < 0)
  	    {
  		/* We were on a starting quote perhaps? */
  		col_end = col_start;
  		col_start = curwin->w_cursor.col;
  	    }
  	}
  	else
  	{
  	    col_end = find_prev_quote(line, col_start, quotechar, NULL);
  	    if (line[col_end] != quotechar)
  		return FALSE;
  	    col_start = find_prev_quote(line, col_end, quotechar,
  							      curbuf->b_p_qe);
  	    if (line[col_start] != quotechar)
  	    {
  		/* We were on an ending quote perhaps? */
  		col_start = col_end;
  		col_end = curwin->w_cursor.col;
  	    }
  	}
      }
      else
  
      if (line[col_start] == quotechar || !vis_empty)
      {
  	int	first_col = col_start;
  
  	if (!vis_empty)
  	{
  	    if (vis_bef_curs)
  		first_col = find_next_quote(line, col_start, quotechar, NULL);
  	    else
  		first_col = find_prev_quote(line, col_start, quotechar, NULL);
  	}
  
  	/* The cursor is on a quote, we don't know if it's the opening or
  	 * closing quote.  Search from the start of the line to find out.
  	 * Also do this when there is a Visual area, a' may leave the cursor
  	 * in between two strings. */
  	col_start = 0;
  	for (;;)
  	{
  	    /* Find open quote character. */
  	    col_start = find_next_quote(line, col_start, quotechar, NULL);
  	    if (col_start < 0 || col_start > first_col)
  		return FALSE;
  	    /* Find close quote character. */
  	    col_end = find_next_quote(line, col_start + 1, quotechar,
  							      curbuf->b_p_qe);
  	    if (col_end < 0)
  		return FALSE;
  	    /* If is cursor between start and end quote character, it is
  	     * target text object. */
  	    if (col_start <= first_col && first_col <= col_end)
  		break;
  	    col_start = col_end + 1;
  	}
      }
      else
      {
  	/* Search backward for a starting quote. */
  	col_start = find_prev_quote(line, col_start, quotechar, curbuf->b_p_qe);
  	if (line[col_start] != quotechar)
  	{
  	    /* No quote before the cursor, look after the cursor. */
  	    col_start = find_next_quote(line, col_start, quotechar, NULL);
  	    if (col_start < 0)
  		return FALSE;
  	}
  
  	/* Find close quote character. */
  	col_end = find_next_quote(line, col_start + 1, quotechar,
  							      curbuf->b_p_qe);
  	if (col_end < 0)
  	    return FALSE;
      }
  
      /* When "include" is TRUE, include spaces after closing quote or before
       * the starting quote. */
      if (include)
      {
  	if (VIM_ISWHITE(line[col_end + 1]))
  	    while (VIM_ISWHITE(line[col_end + 1]))
  		++col_end;
  	else
  	    while (col_start > 0 && VIM_ISWHITE(line[col_start - 1]))
  		--col_start;
      }
  
      /* Set start position.  After vi" another i" must include the ".
       * For v2i" include the quotes. */
      if (!include && count < 2 && (vis_empty || !inside_quotes))
  	++col_start;
      curwin->w_cursor.col = col_start;
      if (VIsual_active)
      {
  	/* Set the start of the Visual area when the Visual area was empty, we
  	 * were just inside quotes or the Visual area didn't start at a quote
  	 * and didn't include a quote.
  	 */
  	if (vis_empty
  		|| (vis_bef_curs
  		    && !selected_quote
  		    && (inside_quotes
  			|| (line[VIsual.col] != quotechar
  			    && (VIsual.col == 0
  				|| line[VIsual.col - 1] != quotechar)))))
  	{
  	    VIsual = curwin->w_cursor;
  	    redraw_curbuf_later(INVERTED);
  	}
      }
      else
      {
  	oap->start = curwin->w_cursor;
  	oap->motion_type = MCHAR;
      }
  
      /* Set end position. */
      curwin->w_cursor.col = col_end;
      if ((include || count > 1 /* After vi" another i" must include the ". */
  		|| (!vis_empty && inside_quotes)
  	) && inc_cursor() == 2)
  	inclusive = TRUE;
      if (VIsual_active)
      {
  	if (vis_empty || vis_bef_curs)
  	{
  	    /* decrement cursor when 'selection' is not exclusive */
  	    if (*p_sel != 'e')
  		dec_cursor();
  	}
  	else
  	{
  	    /* Cursor is at start of Visual area.  Set the end of the Visual
  	     * area when it was just inside quotes or it didn't end at a
  	     * quote. */
  	    if (inside_quotes
  		    || (!selected_quote
  			&& line[VIsual.col] != quotechar
  			&& (line[VIsual.col] == NUL
  			    || line[VIsual.col + 1] != quotechar)))
  	    {
  		dec_cursor();
  		VIsual = curwin->w_cursor;
  	    }
  	    curwin->w_cursor.col = col_start;
  	}
  	if (VIsual_mode == 'V')
  	{
  	    VIsual_mode = 'v';
  	    redraw_cmdline = TRUE;		/* show mode later */
  	}
      }
      else
      {
  	/* Set inclusive and other oap's flags. */
  	oap->inclusive = inclusive;
      }
  
      return OK;
  }
  
  #endif /* FEAT_TEXTOBJ */
  
  static int is_one_char(char_u *pattern, int move, pos_T *cur, int direction);
  
  /*
   * Find next search match under cursor, cursor at end.
   * Used while an operator is pending, and in Visual mode.
   */
      int
  current_search(
      long	count,
      int		forward)	/* move forward or backwards */
  {
      pos_T	start_pos;	/* position before the pattern */
      pos_T	orig_pos;	/* position of the cursor at beginning */
      pos_T	first_match;	/* position of first match */
      pos_T	pos;		/* position after the pattern */
      int		i;
      int		dir;
      int		result;		/* result of various function calls */
      char_u	old_p_ws = p_ws;
      int		flags = 0;
      pos_T	save_VIsual = VIsual;
      int		one_char;
      int		direction = forward ? FORWARD : BACKWARD;
  
      /* wrapping should not occur */
      p_ws = FALSE;
  
      /* Correct cursor when 'selection' is exclusive */
      if (VIsual_active && *p_sel == 'e' && LT_POS(VIsual, curwin->w_cursor))
  	dec_cursor();
  
      if (VIsual_active)
      {
  	orig_pos = curwin->w_cursor;
  
  	pos = curwin->w_cursor;
  
  	/* make sure, searching further will extend the match */
  	if (VIsual_active)
  	{
  	    if (forward)
  		incl(&pos);
  	    else
  		decl(&pos);
  	}
      }
      else
  	orig_pos = pos = curwin->w_cursor;
  
      /* Is the pattern is zero-width?, this time, don't care about the direction
       */
      one_char = is_one_char(spats[last_idx].pat, TRUE, &curwin->w_cursor,
  								      FORWARD);
      if (one_char == -1)
      {
  	p_ws = old_p_ws;
  	return FAIL;  /* pattern not found */
      }
  
      /*
       * The trick is to first search backwards and then search forward again,
       * so that a match at the current cursor position will be correctly
       * captured.
       */
      for (i = 0; i < 2; i++)
      {
  	if (forward)
  	    dir = i;
  	else
  	    dir = !i;
  
  	flags = 0;
  	if (!dir && !one_char)
  	    flags = SEARCH_END;
  
  	result = searchit(curwin, curbuf, &pos, (dir ? FORWARD : BACKWARD),
  		spats[last_idx].pat, (long) (i ? count : 1),
  		SEARCH_KEEP | flags, RE_SEARCH, 0, NULL, NULL);
  
  	/* First search may fail, but then start searching from the
  	 * beginning of the file (cursor might be on the search match)
  	 * except when Visual mode is active, so that extending the visual
  	 * selection works. */
  	if (!result && i) /* not found, abort */
  	{
  	    curwin->w_cursor = orig_pos;
  	    if (VIsual_active)
  		VIsual = save_VIsual;
  	    p_ws = old_p_ws;
  	    return FAIL;
  	}
  	else if (!i && !result)
  	{
  	    if (forward)
  	    {
  		/* try again from start of buffer */
  		CLEAR_POS(&pos);
  	    }
  	    else
  	    {
  		/* try again from end of buffer */
  		/* searching backwards, so set pos to last line and col */
  		pos.lnum = curwin->w_buffer->b_ml.ml_line_count;
  		pos.col  = (colnr_T)STRLEN(
  				ml_get(curwin->w_buffer->b_ml.ml_line_count));
  	    }
  	}
  	if (i == 0)
  	    first_match = pos;
  	p_ws = old_p_ws;
      }
  
      start_pos = pos;
      flags = forward ? SEARCH_END : SEARCH_START;
  
      /* Check again from the current cursor position,
       * since the next match might actually by only one char wide */
      one_char = is_one_char(spats[last_idx].pat, FALSE, &pos, direction);
      if (one_char < 0)
  	/* search failed, abort */
  	return FAIL;
  
      /* move to match, except for zero-width matches, in which case, we are
       * already on the next match */
      if (!one_char)
      {
  	p_ws = FALSE;
  	for (i = 0; i < 2; i++)
  	{
  	    result = searchit(curwin, curbuf, &pos, direction,
  		    spats[last_idx].pat, 0L, flags | SEARCH_KEEP, RE_SEARCH, 0,
  								   NULL, NULL);
  	    /* Search successfull, break out from the loop */
  	    if (result)
  		break;
  	    /* search failed, try again from the last search position match */
  	    pos = first_match;
  	}
      }
  
      p_ws = old_p_ws;
      /* not found */
      if (!result)
  	return FAIL;
  
      if (!VIsual_active)
  	VIsual = start_pos;
  
      curwin->w_cursor = pos;
      VIsual_active = TRUE;
      VIsual_mode = 'v';
  
      if (VIsual_active)
      {
  	redraw_curbuf_later(INVERTED);	/* update the inversion */
  	if (*p_sel == 'e')
  	{
  	    /* Correction for exclusive selection depends on the direction. */
  	    if (forward && LTOREQ_POS(VIsual, curwin->w_cursor))
  		inc_cursor();
  	    else if (!forward && LTOREQ_POS(curwin->w_cursor, VIsual))
  		inc(&VIsual);
  	}
  
      }
  
  #ifdef FEAT_FOLDING
      if (fdo_flags & FDO_SEARCH && KeyTyped)
  	foldOpenCursor();
  #endif
  
      may_start_select('c');
  #ifdef FEAT_MOUSE
      setmouse();
  #endif
  #ifdef FEAT_CLIPBOARD
      /* Make sure the clipboard gets updated.  Needed because start and
       * end are still the same, and the selection needs to be owned */
      clip_star.vmode = NUL;
  #endif
      redraw_curbuf_later(INVERTED);
      showmode();
  
      return OK;
  }
  
  /*
   * Check if the pattern is one character long or zero-width.
   * If move is TRUE, check from the beginning of the buffer, else from position
   * "cur".
   * "direction" is FORWARD or BACKWARD.
   * Returns TRUE, FALSE or -1 for failure.
   */
      static int
  is_one_char(char_u *pattern, int move, pos_T *cur, int direction)
  {
      regmmatch_T	regmatch;
      int		nmatched = 0;
      int		result = -1;
      pos_T	pos;
      int		save_called_emsg = called_emsg;
      int		flag = 0;
  
      if (pattern == NULL)
  	pattern = spats[last_idx].pat;
  
      if (search_regcomp(pattern, RE_SEARCH, RE_SEARCH,
  					      SEARCH_KEEP, &regmatch) == FAIL)
  	return -1;
  
      /* init startcol correctly */
      regmatch.startpos[0].col = -1;
      /* move to match */
      if (move)
      {
  	CLEAR_POS(&pos);
      }
      else
      {
  	pos = *cur;
  	/* accept a match at the cursor position */
  	flag = SEARCH_START;
      }
  
      if (searchit(curwin, curbuf, &pos, direction, pattern, 1,
  			 SEARCH_KEEP + flag, RE_SEARCH, 0, NULL, NULL) != FAIL)
      {
  	/* Zero-width pattern should match somewhere, then we can check if
  	 * start and end are in the same position. */
  	called_emsg = FALSE;
  	do
  	{
  	    regmatch.startpos[0].col++;
  	    nmatched = vim_regexec_multi(&regmatch, curwin, curbuf,
  			       pos.lnum, regmatch.startpos[0].col, NULL, NULL);
  	    if (!nmatched)
  		break;
  	} while (direction == FORWARD ? regmatch.startpos[0].col < pos.col
  				      : regmatch.startpos[0].col > pos.col);
  
  	if (!called_emsg)
  	{
  	    result = (nmatched != 0
  		&& regmatch.startpos[0].lnum == regmatch.endpos[0].lnum
  		&& regmatch.startpos[0].col == regmatch.endpos[0].col);
  	    /* one char width */
  	    if (!result && inc(&pos) >= 0 && pos.col == regmatch.endpos[0].col)
  		result = TRUE;
  	}
      }
  
      called_emsg |= save_called_emsg;
      vim_regfree(regmatch.regprog);
      return result;
  }
  
  #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(FEAT_TEXTOBJ) \
  	|| defined(PROTO)
  /*
   * return TRUE if line 'lnum' is empty or has white chars only.
   */
      int
  linewhite(linenr_T lnum)
  {
      char_u  *p;
  
      p = skipwhite(ml_get(lnum));
      return (*p == NUL);
  }
  #endif
  
  #if defined(FEAT_FIND_ID) || defined(PROTO)
  /*
   * Find identifiers or defines in included files.
   * If p_ic && (compl_cont_status & CONT_SOL) then ptr must be in lowercase.
   */
      void
  find_pattern_in_path(
      char_u	*ptr,		/* pointer to search pattern */
      int		dir UNUSED,	/* direction of expansion */
      int		len,		/* length of search pattern */
      int		whole,		/* match whole words only */
      int		skip_comments,	/* don't match inside comments */
      int		type,		/* Type of search; are we looking for a type?
  				   a macro? */
      long	count,
      int		action,		/* What to do when we find it */
      linenr_T	start_lnum,	/* first line to start searching */
      linenr_T	end_lnum)	/* last line for searching */
  {
      SearchedFile *files;		/* Stack of included files */
      SearchedFile *bigger;		/* When we need more space */
      int		max_path_depth = 50;
      long	match_count = 1;
  
      char_u	*pat;
      char_u	*new_fname;
      char_u	*curr_fname = curbuf->b_fname;
      char_u	*prev_fname = NULL;
      linenr_T	lnum;
      int		depth;
      int		depth_displayed;	/* For type==CHECK_PATH */
      int		old_files;
      int		already_searched;
      char_u	*file_line;
      char_u	*line;
      char_u	*p;
      char_u	save_char;
      int		define_matched;
      regmatch_T	regmatch;
      regmatch_T	incl_regmatch;
      regmatch_T	def_regmatch;
      int		matched = FALSE;
      int		did_show = FALSE;
      int		found = FALSE;
      int		i;
      char_u	*already = NULL;
      char_u	*startp = NULL;
      char_u	*inc_opt = NULL;
  #if defined(FEAT_QUICKFIX)
      win_T	*curwin_save = NULL;
  #endif
  
      regmatch.regprog = NULL;
      incl_regmatch.regprog = NULL;
      def_regmatch.regprog = NULL;
  
      file_line = alloc(LSIZE);
      if (file_line == NULL)
  	return;
  
      if (type != CHECK_PATH && type != FIND_DEFINE
  #ifdef FEAT_INS_EXPAND
  	/* when CONT_SOL is set compare "ptr" with the beginning of the line
  	 * is faster than quote_meta/regcomp/regexec "ptr" -- Acevedo */
  	    && !(compl_cont_status & CONT_SOL)
  #endif
         )
      {
  	pat = alloc(len + 5);
  	if (pat == NULL)
  	    goto fpip_end;
  	sprintf((char *)pat, whole ? "\\<%.*s\\>" : "%.*s", len, ptr);
  	/* ignore case according to p_ic, p_scs and pat */
  	regmatch.rm_ic = ignorecase(pat);
  	regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0);
  	vim_free(pat);
  	if (regmatch.regprog == NULL)
  	    goto fpip_end;
      }
      inc_opt = (*curbuf->b_p_inc == NUL) ? p_inc : curbuf->b_p_inc;
      if (*inc_opt != NUL)
      {
  	incl_regmatch.regprog = vim_regcomp(inc_opt, p_magic ? RE_MAGIC : 0);
  	if (incl_regmatch.regprog == NULL)
  	    goto fpip_end;
  	incl_regmatch.rm_ic = FALSE;	/* don't ignore case in incl. pat. */
      }
      if (type == FIND_DEFINE && (*curbuf->b_p_def != NUL || *p_def != NUL))
      {
  	def_regmatch.regprog = vim_regcomp(*curbuf->b_p_def == NUL
  			   ? p_def : curbuf->b_p_def, p_magic ? RE_MAGIC : 0);
  	if (def_regmatch.regprog == NULL)
  	    goto fpip_end;
  	def_regmatch.rm_ic = FALSE;	/* don't ignore case in define pat. */
      }
      files = (SearchedFile *)lalloc_clear((long_u)
  			       (max_path_depth * sizeof(SearchedFile)), TRUE);
      if (files == NULL)
  	goto fpip_end;
      old_files = max_path_depth;
      depth = depth_displayed = -1;
  
      lnum = start_lnum;
      if (end_lnum > curbuf->b_ml.ml_line_count)
  	end_lnum = curbuf->b_ml.ml_line_count;
      if (lnum > end_lnum)		/* do at least one line */
  	lnum = end_lnum;
      line = ml_get(lnum);
  
      for (;;)
      {
  	if (incl_regmatch.regprog != NULL
  		&& vim_regexec(&incl_regmatch, line, (colnr_T)0))
  	{
  	    char_u *p_fname = (curr_fname == curbuf->b_fname)
  					      ? curbuf->b_ffname : curr_fname;
  
  	    if (inc_opt != NULL && strstr((char *)inc_opt, "\\zs") != NULL)
  		/* Use text from '\zs' to '\ze' (or end) of 'include'. */
  		new_fname = find_file_name_in_path(incl_regmatch.startp[0],
  		       (int)(incl_regmatch.endp[0] - incl_regmatch.startp[0]),
  				 FNAME_EXP|FNAME_INCL|FNAME_REL, 1L, p_fname);
  	    else
  		/* Use text after match with 'include'. */
  		new_fname = file_name_in_line(incl_regmatch.endp[0], 0,
  			     FNAME_EXP|FNAME_INCL|FNAME_REL, 1L, p_fname, NULL);
  	    already_searched = FALSE;
  	    if (new_fname != NULL)
  	    {
  		/* Check whether we have already searched in this file */
  		for (i = 0;; i++)
  		{
  		    if (i == depth + 1)
  			i = old_files;
  		    if (i == max_path_depth)
  			break;
  		    if (fullpathcmp(new_fname, files[i].name, TRUE) & FPC_SAME)
  		    {
  			if (type != CHECK_PATH &&
  				action == ACTION_SHOW_ALL && files[i].matched)
  			{
  			    msg_putchar('\n');	    /* cursor below last one */
  			    if (!got_int)	    /* don't display if 'q'
  						       typed at "--more--"
  						       message */
  			    {
  				msg_home_replace_hl(new_fname);
  				MSG_PUTS(_(" (includes previously listed match)"));
  				prev_fname = NULL;
  			    }
  			}
  			VIM_CLEAR(new_fname);
  			already_searched = TRUE;
  			break;
  		    }
  		}
  	    }
  
  	    if (type == CHECK_PATH && (action == ACTION_SHOW_ALL
  				 || (new_fname == NULL && !already_searched)))
  	    {
  		if (did_show)
  		    msg_putchar('\n');	    /* cursor below last one */
  		else
  		{
  		    gotocmdline(TRUE);	    /* cursor at status line */
  		    MSG_PUTS_TITLE(_("--- Included files "));
  		    if (action != ACTION_SHOW_ALL)
  			MSG_PUTS_TITLE(_("not found "));
  		    MSG_PUTS_TITLE(_("in path ---\n"));
  		}
  		did_show = TRUE;
  		while (depth_displayed < depth && !got_int)
  		{
  		    ++depth_displayed;
  		    for (i = 0; i < depth_displayed; i++)
  			MSG_PUTS("  ");
  		    msg_home_replace(files[depth_displayed].name);
  		    MSG_PUTS(" -->\n");
  		}
  		if (!got_int)		    /* don't display if 'q' typed
  					       for "--more--" message */
  		{
  		    for (i = 0; i <= depth_displayed; i++)
  			MSG_PUTS("  ");
  		    if (new_fname != NULL)
  		    {
  			/* using "new_fname" is more reliable, e.g., when
  			 * 'includeexpr' is set. */
  			msg_outtrans_attr(new_fname, HL_ATTR(HLF_D));
  		    }
  		    else
  		    {
  			/*
  			 * Isolate the file name.
  			 * Include the surrounding "" or <> if present.
  			 */
  			if (inc_opt != NULL
  				   && strstr((char *)inc_opt, "\\zs") != NULL)
  			{
  			    /* pattern contains \zs, use the match */
  			    p = incl_regmatch.startp[0];
  			    i = (int)(incl_regmatch.endp[0]
  						   - incl_regmatch.startp[0]);
  			}
  			else
  			{
  			    /* find the file name after the end of the match */
  			    for (p = incl_regmatch.endp[0];
  						  *p && !vim_isfilec(*p); p++)
  				;
  			    for (i = 0; vim_isfilec(p[i]); i++)
  				;
  			}
  
  			if (i == 0)
  			{
  			    /* Nothing found, use the rest of the line. */
  			    p = incl_regmatch.endp[0];
  			    i = (int)STRLEN(p);
  			}
  			/* Avoid checking before the start of the line, can
  			 * happen if \zs appears in the regexp. */
  			else if (p > line)
  			{
  			    if (p[-1] == '"' || p[-1] == '<')
  			    {
  				--p;
  				++i;
  			    }
  			    if (p[i] == '"' || p[i] == '>')
  				++i;
  			}
  			save_char = p[i];
  			p[i] = NUL;
  			msg_outtrans_attr(p, HL_ATTR(HLF_D));
  			p[i] = save_char;
  		    }
  
  		    if (new_fname == NULL && action == ACTION_SHOW_ALL)
  		    {
  			if (already_searched)
  			    MSG_PUTS(_("  (Already listed)"));
  			else
  			    MSG_PUTS(_("  NOT FOUND"));
  		    }
  		}
  		out_flush();	    /* output each line directly */
  	    }
  
  	    if (new_fname != NULL)
  	    {
  		/* Push the new file onto the file stack */
  		if (depth + 1 == old_files)
  		{
  		    bigger = (SearchedFile *)lalloc((long_u)(
  			    max_path_depth * 2 * sizeof(SearchedFile)), TRUE);
  		    if (bigger != NULL)
  		    {
  			for (i = 0; i <= depth; i++)
  			    bigger[i] = files[i];
  			for (i = depth + 1; i < old_files + max_path_depth; i++)
  			{
  			    bigger[i].fp = NULL;
  			    bigger[i].name = NULL;
  			    bigger[i].lnum = 0;
  			    bigger[i].matched = FALSE;
  			}
  			for (i = old_files; i < max_path_depth; i++)
  			    bigger[i + max_path_depth] = files[i];
  			old_files += max_path_depth;
  			max_path_depth *= 2;
  			vim_free(files);
  			files = bigger;
  		    }
  		}
  		if ((files[depth + 1].fp = mch_fopen((char *)new_fname, "r"))
  								    == NULL)
  		    vim_free(new_fname);
  		else
  		{
  		    if (++depth == old_files)
  		    {
  			/*
  			 * lalloc() for 'bigger' must have failed above.  We
  			 * will forget one of our already visited files now.
  			 */
  			vim_free(files[old_files].name);
  			++old_files;
  		    }
  		    files[depth].name = curr_fname = new_fname;
  		    files[depth].lnum = 0;
  		    files[depth].matched = FALSE;
  #ifdef FEAT_INS_EXPAND
  		    if (action == ACTION_EXPAND)
  		    {
  			msg_hist_off = TRUE;	/* reset in msg_trunc_attr() */
  			vim_snprintf((char*)IObuff, IOSIZE,
  				_("Scanning included file: %s"),
  				(char *)new_fname);
  			msg_trunc_attr(IObuff, TRUE, HL_ATTR(HLF_R));
  		    }
  		    else
  #endif
  			 if (p_verbose >= 5)
  		    {
  			verbose_enter();
  			smsg((char_u *)_("Searching included file %s"),
  							   (char *)new_fname);
  			verbose_leave();
  		    }
  
  		}
  	    }
  	}
  	else
  	{
  	    /*
  	     * Check if the line is a define (type == FIND_DEFINE)
  	     */
  	    p = line;
  search_line:
  	    define_matched = FALSE;
  	    if (def_regmatch.regprog != NULL
  			      && vim_regexec(&def_regmatch, line, (colnr_T)0))
  	    {
  		/*
  		 * Pattern must be first identifier after 'define', so skip
  		 * to that position before checking for match of pattern.  Also
  		 * don't let it match beyond the end of this identifier.
  		 */
  		p = def_regmatch.endp[0];
  		while (*p && !vim_iswordc(*p))
  		    p++;
  		define_matched = TRUE;
  	    }
  
  	    /*
  	     * Look for a match.  Don't do this if we are looking for a
  	     * define and this line didn't match define_prog above.
  	     */
  	    if (def_regmatch.regprog == NULL || define_matched)
  	    {
  		if (define_matched
  #ifdef FEAT_INS_EXPAND
  			|| (compl_cont_status & CONT_SOL)
  #endif
  		    )
  		{
  		    /* compare the first "len" chars from "ptr" */
  		    startp = skipwhite(p);
  		    if (p_ic)
  			matched = !MB_STRNICMP(startp, ptr, len);
  		    else
  			matched = !STRNCMP(startp, ptr, len);
  		    if (matched && define_matched && whole
  						  && vim_iswordc(startp[len]))
  			matched = FALSE;
  		}
  		else if (regmatch.regprog != NULL
  			 && vim_regexec(&regmatch, line, (colnr_T)(p - line)))
  		{
  		    matched = TRUE;
  		    startp = regmatch.startp[0];
  		    /*
  		     * Check if the line is not a comment line (unless we are
  		     * looking for a define).  A line starting with "# define"
  		     * is not considered to be a comment line.
  		     */
  		    if (!define_matched && skip_comments)
  		    {
  #ifdef FEAT_COMMENTS
  			if ((*line != '#' ||
  				STRNCMP(skipwhite(line + 1), "define", 6) != 0)
  				&& get_leader_len(line, NULL, FALSE, TRUE))
  			    matched = FALSE;
  
  			/*
  			 * Also check for a "/ *" or "/ /" before the match.
  			 * Skips lines like "int backwards;  / * normal index
  			 * * /" when looking for "normal".
  			 * Note: Doesn't skip "/ *" in comments.
  			 */
  			p = skipwhite(line);
  			if (matched
  				|| (p[0] == '/' && p[1] == '*') || p[0] == '*')
  #endif
  			    for (p = line; *p && p < startp; ++p)
  			    {
  				if (matched
  					&& p[0] == '/'
  					&& (p[1] == '*' || p[1] == '/'))
  				{
  				    matched = FALSE;
  				    /* After "//" all text is comment */
  				    if (p[1] == '/')
  					break;
  				    ++p;
  				}
  				else if (!matched && p[0] == '*' && p[1] == '/')
  				{
  				    /* Can find match after "* /". */
  				    matched = TRUE;
  				    ++p;
  				}
  			    }
  		    }
  		}
  	    }
  	}
  	if (matched)
  	{
  #ifdef FEAT_INS_EXPAND
  	    if (action == ACTION_EXPAND)
  	    {
  		int	reuse = 0;
  		int	add_r;
  		char_u	*aux;
  
  		if (depth == -1 && lnum == curwin->w_cursor.lnum)
  		    break;
  		found = TRUE;
  		aux = p = startp;
  		if (compl_cont_status & CONT_ADDING)
  		{
  		    p += compl_length;
  		    if (vim_iswordp(p))
  			goto exit_matched;
  		    p = find_word_start(p);
  		}
  		p = find_word_end(p);
  		i = (int)(p - aux);
  
  		if ((compl_cont_status & CONT_ADDING) && i == compl_length)
  		{
  		    /* IOSIZE > compl_length, so the STRNCPY works */
  		    STRNCPY(IObuff, aux, i);
  
  		    /* Get the next line: when "depth" < 0  from the current
  		     * buffer, otherwise from the included file.  Jump to
  		     * exit_matched when past the last line. */
  		    if (depth < 0)
  		    {
  			if (lnum >= end_lnum)
  			    goto exit_matched;
  			line = ml_get(++lnum);
  		    }
  		    else if (vim_fgets(line = file_line,
  						      LSIZE, files[depth].fp))
  			goto exit_matched;
  
  		    /* we read a line, set "already" to check this "line" later
  		     * if depth >= 0 we'll increase files[depth].lnum far
  		     * bellow  -- Acevedo */
  		    already = aux = p = skipwhite(line);
  		    p = find_word_start(p);
  		    p = find_word_end(p);
  		    if (p > aux)
  		    {
  			if (*aux != ')' && IObuff[i-1] != TAB)
  			{
  			    if (IObuff[i-1] != ' ')
  				IObuff[i++] = ' ';
  			    /* IObuf =~ "\(\k\|\i\).* ", thus i >= 2*/
  			    if (p_js
  				&& (IObuff[i-2] == '.'
  				    || (vim_strchr(p_cpo, CPO_JOINSP) == NULL
  					&& (IObuff[i-2] == '?'
  					    || IObuff[i-2] == '!'))))
  				IObuff[i++] = ' ';
  			}
  			/* copy as much as possible of the new word */
  			if (p - aux >= IOSIZE - i)
  			    p = aux + IOSIZE - i - 1;
  			STRNCPY(IObuff + i, aux, p - aux);
  			i += (int)(p - aux);
  			reuse |= CONT_S_IPOS;
  		    }
  		    IObuff[i] = NUL;
  		    aux = IObuff;
  
  		    if (i == compl_length)
  			goto exit_matched;
  		}
  
  		add_r = ins_compl_add_infercase(aux, i, p_ic,
  			curr_fname == curbuf->b_fname ? NULL : curr_fname,
  			dir, reuse);
  		if (add_r == OK)
  		    /* if dir was BACKWARD then honor it just once */
  		    dir = FORWARD;
  		else if (add_r == FAIL)
  		    break;
  	    }
  	    else
  #endif
  		 if (action == ACTION_SHOW_ALL)
  	    {
  		found = TRUE;
  		if (!did_show)
  		    gotocmdline(TRUE);		/* cursor at status line */
  		if (curr_fname != prev_fname)
  		{
  		    if (did_show)
  			msg_putchar('\n');	/* cursor below last one */
  		    if (!got_int)		/* don't display if 'q' typed
  						    at "--more--" message */
  			msg_home_replace_hl(curr_fname);
  		    prev_fname = curr_fname;
  		}
  		did_show = TRUE;
  		if (!got_int)
  		    show_pat_in_path(line, type, TRUE, action,
  			    (depth == -1) ? NULL : files[depth].fp,
  			    (depth == -1) ? &lnum : &files[depth].lnum,
  			    match_count++);
  
  		/* Set matched flag for this file and all the ones that
  		 * include it */
  		for (i = 0; i <= depth; ++i)
  		    files[i].matched = TRUE;
  	    }
  	    else if (--count <= 0)
  	    {
  		found = TRUE;
  		if (depth == -1 && lnum == curwin->w_cursor.lnum
  #if defined(FEAT_QUICKFIX)
  						      && g_do_tagpreview == 0
  #endif
  						      )
  		    EMSG(_("E387: Match is on current line"));
  		else if (action == ACTION_SHOW)
  		{
  		    show_pat_in_path(line, type, did_show, action,
  			(depth == -1) ? NULL : files[depth].fp,
  			(depth == -1) ? &lnum : &files[depth].lnum, 1L);
  		    did_show = TRUE;
  		}
  		else
  		{
  #ifdef FEAT_GUI
  		    need_mouse_correct = TRUE;
  #endif
  #if defined(FEAT_QUICKFIX)
  		    /* ":psearch" uses the preview window */
  		    if (g_do_tagpreview != 0)
  		    {
  			curwin_save = curwin;
  			prepare_tagpreview(TRUE);
  		    }
  #endif
  		    if (action == ACTION_SPLIT)
  		    {
  			if (win_split(0, 0) == FAIL)
  			    break;
  			RESET_BINDING(curwin);
  		    }
  		    if (depth == -1)
  		    {
  			/* match in current file */
  #if defined(FEAT_QUICKFIX)
  			if (g_do_tagpreview != 0)
  			{
  			    if (!GETFILE_SUCCESS(getfile(
  					   curwin_save->w_buffer->b_fnum, NULL,
  						     NULL, TRUE, lnum, FALSE)))
  				break;	/* failed to jump to file */
  			}
  			else
  #endif
  			    setpcmark();
  			curwin->w_cursor.lnum = lnum;
  			check_cursor();
  		    }
  		    else
  		    {
  			if (!GETFILE_SUCCESS(getfile(
  					0, files[depth].name, NULL, TRUE,
  						    files[depth].lnum, FALSE)))
  			    break;	/* failed to jump to file */
  			/* autocommands may have changed the lnum, we don't
  			 * want that here */
  			curwin->w_cursor.lnum = files[depth].lnum;
  		    }
  		}
  		if (action != ACTION_SHOW)
  		{
  		    curwin->w_cursor.col = (colnr_T)(startp - line);
  		    curwin->w_set_curswant = TRUE;
  		}
  
  #if defined(FEAT_QUICKFIX)
  		if (g_do_tagpreview != 0
  			   && curwin != curwin_save && win_valid(curwin_save))
  		{
  		    /* Return cursor to where we were */
  		    validate_cursor();
  		    redraw_later(VALID);
  		    win_enter(curwin_save, TRUE);
  		}
  #endif
  		break;
  	    }
  #ifdef FEAT_INS_EXPAND
  exit_matched:
  #endif
  	    matched = FALSE;
  	    /* look for other matches in the rest of the line if we
  	     * are not at the end of it already */
  	    if (def_regmatch.regprog == NULL
  #ifdef FEAT_INS_EXPAND
  		    && action == ACTION_EXPAND
  		    && !(compl_cont_status & CONT_SOL)
  #endif
  		    && *startp != NUL
  		    && *(p = startp + MB_PTR2LEN(startp)) != NUL)
  		goto search_line;
  	}
  	line_breakcheck();
  #ifdef FEAT_INS_EXPAND
  	if (action == ACTION_EXPAND)
  	    ins_compl_check_keys(30, FALSE);
  	if (got_int || compl_interrupted)
  #else
  	if (got_int)
  #endif
  	    break;
  
  	/*
  	 * Read the next line.  When reading an included file and encountering
  	 * end-of-file, close the file and continue in the file that included
  	 * it.
  	 */
  	while (depth >= 0 && !already
  		&& vim_fgets(line = file_line, LSIZE, files[depth].fp))
  	{
  	    fclose(files[depth].fp);
  	    --old_files;
  	    files[old_files].name = files[depth].name;
  	    files[old_files].matched = files[depth].matched;
  	    --depth;
  	    curr_fname = (depth == -1) ? curbuf->b_fname
  				       : files[depth].name;
  	    if (depth < depth_displayed)
  		depth_displayed = depth;
  	}
  	if (depth >= 0)		/* we could read the line */
  	{
  	    files[depth].lnum++;
  	    /* Remove any CR and LF from the line. */
  	    i = (int)STRLEN(line);
  	    if (i > 0 && line[i - 1] == '\n')
  		line[--i] = NUL;
  	    if (i > 0 && line[i - 1] == '\r')
  		line[--i] = NUL;
  	}
  	else if (!already)
  	{
  	    if (++lnum > end_lnum)
  		break;
  	    line = ml_get(lnum);
  	}
  	already = NULL;
      }
      /* End of big for (;;) loop. */
  
      /* Close any files that are still open. */
      for (i = 0; i <= depth; i++)
      {
  	fclose(files[i].fp);
  	vim_free(files[i].name);
      }
      for (i = old_files; i < max_path_depth; i++)
  	vim_free(files[i].name);
      vim_free(files);
  
      if (type == CHECK_PATH)
      {
  	if (!did_show)
  	{
  	    if (action != ACTION_SHOW_ALL)
  		MSG(_("All included files were found"));
  	    else
  		MSG(_("No included files"));
  	}
      }
      else if (!found
  #ifdef FEAT_INS_EXPAND
  		    && action != ACTION_EXPAND
  #endif
  						)
      {
  #ifdef FEAT_INS_EXPAND
  	if (got_int || compl_interrupted)
  #else
  	if (got_int)
  #endif
  	    EMSG(_(e_interr));
  	else if (type == FIND_DEFINE)
  	    EMSG(_("E388: Couldn't find definition"));
  	else
  	    EMSG(_("E389: Couldn't find pattern"));
      }
      if (action == ACTION_SHOW || action == ACTION_SHOW_ALL)
  	msg_end();
  
  fpip_end:
      vim_free(file_line);
      vim_regfree(regmatch.regprog);
      vim_regfree(incl_regmatch.regprog);
      vim_regfree(def_regmatch.regprog);
  }
  
      static void
  show_pat_in_path(
      char_u  *line,
      int	    type,
      int	    did_show,
      int	    action,
      FILE    *fp,
      linenr_T *lnum,
      long    count)
  {
      char_u  *p;
  
      if (did_show)
  	msg_putchar('\n');	/* cursor below last one */
      else if (!msg_silent)
  	gotocmdline(TRUE);	/* cursor at status line */
      if (got_int)		/* 'q' typed at "--more--" message */
  	return;
      for (;;)
      {
  	p = line + STRLEN(line) - 1;
  	if (fp != NULL)
  	{
  	    /* We used fgets(), so get rid of newline at end */
  	    if (p >= line && *p == '\n')
  		--p;
  	    if (p >= line && *p == '\r')
  		--p;
  	    *(p + 1) = NUL;
  	}
  	if (action == ACTION_SHOW_ALL)
  	{
  	    sprintf((char *)IObuff, "%3ld: ", count);	/* show match nr */
  	    msg_puts(IObuff);
  	    sprintf((char *)IObuff, "%4ld", *lnum);	/* show line nr */
  						/* Highlight line numbers */
  	    msg_puts_attr(IObuff, HL_ATTR(HLF_N));
  	    MSG_PUTS(" ");
  	}
  	msg_prt_line(line, FALSE);
  	out_flush();			/* show one line at a time */
  
  	/* Definition continues until line that doesn't end with '\' */
  	if (got_int || type != FIND_DEFINE || p < line || *p != '\\')
  	    break;
  
  	if (fp != NULL)
  	{
  	    if (vim_fgets(line, LSIZE, fp)) /* end of file */
  		break;
  	    ++*lnum;
  	}
  	else
  	{
  	    if (++*lnum > curbuf->b_ml.ml_line_count)
  		break;
  	    line = ml_get(*lnum);
  	}
  	msg_putchar('\n');
      }
  }
  #endif
  
  #ifdef FEAT_VIMINFO
      int
  read_viminfo_search_pattern(vir_T *virp, int force)
  {
      char_u	*lp;
      int		idx = -1;
      int		magic = FALSE;
      int		no_scs = FALSE;
      int		off_line = FALSE;
      int		off_end = 0;
      long	off = 0;
      int		setlast = FALSE;
  #ifdef FEAT_SEARCH_EXTRA
      static int	hlsearch_on = FALSE;
  #endif
      char_u	*val;
  
      /*
       * Old line types:
       * "/pat", "&pat": search/subst. pat
       * "~/pat", "~&pat": last used search/subst. pat
       * New line types:
       * "~h", "~H": hlsearch highlighting off/on
       * "~<magic><smartcase><line><end><off><last><which>pat"
       * <magic>: 'm' off, 'M' on
       * <smartcase>: 's' off, 'S' on
       * <line>: 'L' line offset, 'l' char offset
       * <end>: 'E' from end, 'e' from start
       * <off>: decimal, offset
       * <last>: '~' last used pattern
       * <which>: '/' search pat, '&' subst. pat
       */
      lp = virp->vir_line;
      if (lp[0] == '~' && (lp[1] == 'm' || lp[1] == 'M'))	/* new line type */
      {
  	if (lp[1] == 'M')		/* magic on */
  	    magic = TRUE;
  	if (lp[2] == 's')
  	    no_scs = TRUE;
  	if (lp[3] == 'L')
  	    off_line = TRUE;
  	if (lp[4] == 'E')
  	    off_end = SEARCH_END;
  	lp += 5;
  	off = getdigits(&lp);
      }
      if (lp[0] == '~')		/* use this pattern for last-used pattern */
      {
  	setlast = TRUE;
  	lp++;
      }
      if (lp[0] == '/')
  	idx = RE_SEARCH;
      else if (lp[0] == '&')
  	idx = RE_SUBST;
  #ifdef FEAT_SEARCH_EXTRA
      else if (lp[0] == 'h')	/* ~h: 'hlsearch' highlighting off */
  	hlsearch_on = FALSE;
      else if (lp[0] == 'H')	/* ~H: 'hlsearch' highlighting on */
  	hlsearch_on = TRUE;
  #endif
      if (idx >= 0)
      {
  	if (force || spats[idx].pat == NULL)
  	{
  	    val = viminfo_readstring(virp, (int)(lp - virp->vir_line + 1),
  									TRUE);
  	    if (val != NULL)
  	    {
  		set_last_search_pat(val, idx, magic, setlast);
  		vim_free(val);
  		spats[idx].no_scs = no_scs;
  		spats[idx].off.line = off_line;
  		spats[idx].off.end = off_end;
  		spats[idx].off.off = off;
  #ifdef FEAT_SEARCH_EXTRA
  		if (setlast)
  		    set_no_hlsearch(!hlsearch_on);
  #endif
  	    }
  	}
      }
      return viminfo_readline(virp);
  }
  
      void
  write_viminfo_search_pattern(FILE *fp)
  {
      if (get_viminfo_parameter('/') != 0)
      {
  #ifdef FEAT_SEARCH_EXTRA
  	fprintf(fp, "\n# hlsearch on (H) or off (h):\n~%c",
  	    (no_hlsearch || find_viminfo_parameter('h') != NULL) ? 'h' : 'H');
  #endif
  	wvsp_one(fp, RE_SEARCH, "", '/');
  	wvsp_one(fp, RE_SUBST, _("Substitute "), '&');
      }
  }
  
      static void
  wvsp_one(
      FILE	*fp,	/* file to write to */
      int		idx,	/* spats[] index */
      char	*s,	/* search pat */
      int		sc)	/* dir char */
  {
      if (spats[idx].pat != NULL)
      {
  	fprintf(fp, _("\n# Last %sSearch Pattern:\n~"), s);
  	/* off.dir is not stored, it's reset to forward */
  	fprintf(fp, "%c%c%c%c%ld%s%c",
  		spats[idx].magic    ? 'M' : 'm',	/* magic */
  		spats[idx].no_scs   ? 's' : 'S',	/* smartcase */
  		spats[idx].off.line ? 'L' : 'l',	/* line offset */
  		spats[idx].off.end  ? 'E' : 'e',	/* offset from end */
  		spats[idx].off.off,			/* offset */
  		last_idx == idx	    ? "~" : "",		/* last used pat */
  		sc);
  	viminfo_writestring(fp, spats[idx].pat);
      }
  }
  #endif /* FEAT_VIMINFO */
  