text: /*-
   * Copyright (c) 1991, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Kenneth Almquist.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)parser.h	8.3 (Berkeley) 5/4/95
   * $FreeBSD: src/bin/sh/parser.h,v 1.10 2004/04/06 20:06:51 markm Exp $
   */
  
  /* control characters in argument strings */
  #define CTLESC '\201'
  #define CTLVAR '\202'
  #define CTLENDVAR '\203'
  #define CTLBACKQ '\204'
  #define CTLQUOTE 01		/* ored with CTLBACKQ code if in quotes */
  /*	CTLBACKQ | CTLQUOTE == '\205' */
  #define	CTLARI	'\206'
  #define	CTLENDARI '\207'
  #define	CTLQUOTEMARK '\210'
  
  /* variable substitution byte (follows CTLVAR) */
  #define VSTYPE	0x0f		/* type of variable substitution */
  #define VSNUL	0x10		/* colon--treat the empty string as unset */
  #define VSQUOTE 0x80		/* inside double quotes--suppress splitting */
  
  /* values of VSTYPE field */
  #define VSNORMAL	0x1		/* normal variable:  $var or ${var} */
  #define VSMINUS		0x2		/* ${var-text} */
  #define VSPLUS		0x3		/* ${var+text} */
  #define VSQUESTION	0x4		/* ${var?message} */
  #define VSASSIGN	0x5		/* ${var=text} */
  #define VSTRIMLEFT	0x6		/* ${var#pattern} */
  #define VSTRIMLEFTMAX	0x7		/* ${var##pattern} */
  #define VSTRIMRIGHT	0x8		/* ${var%pattern} */
  #define VSTRIMRIGHTMAX 	0x9		/* ${var%%pattern} */
  #define VSLENGTH	0xa		/* ${#var} */
  
  
  /*
   * NEOF is returned by parsecmd when it encounters an end of file.  It
   * must be distinct from NULL, so we use the address of a variable that
   * happens to be handy.
   */
  extern int tokpushback;
  #define NEOF ((union node *)&tokpushback)
  extern int whichprompt;		/* 1 == PS1, 2 == PS2 */
  
  
  union node *parsecmd(int);
  void fixredir(union node *, const char *, int);
  int goodname(char *);
  char *getprompt(void *);
  
  /*
   * $PchId: parser.h,v 1.3 2006/03/29 14:33:35 philip Exp $
   */
  