text: /*
   * Copyright (c) 1990 The Regents of the University of California.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms are permitted
   * provided that the above copyright notice and this paragraph are
   * duplicated in all such forms and that any documentation,
   * advertising materials, and other materials related to such
   * distribution and use acknowledge that the software was developed
   * by the University of California, Berkeley.  The name of the
   * University may not be used to endorse or promote products derived
   * from this software without specific prior written permission.
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
   */
  
  /*
  FUNCTION
  <<siscanf>>, <<fiscanf>>, <<iscanf>>---scan and format non-floating input
  
  INDEX
  	iscanf
  INDEX
  	_iscanf_r
  INDEX
  	fiscanf
  INDEX
  	_fiscanf_r
  INDEX
  	siscanf
  INDEX
  	_siscanf_r
  
  SYNOPSIS
          #include <stdio.h>
  
          int iscanf(const char *<[format]>, ...);
          int fiscanf(FILE *<[fd]>, const char *<[format]>, ...);
          int siscanf(const char *<[str]>, const char *<[format]>, ...);
  
          int _iscanf_r(struct _reent *<[ptr]>, const char *<[format]>, ...);
          int _fiscanf_r(struct _reent *<[ptr]>, FILE *<[fd]>, 
                         const char *<[format]>, ...);
          int _siscanf_r(struct _reent *<[ptr]>, const char *<[str]>,
                     const char *<[format]>, ...);
  
  DESCRIPTION
          <<iscanf>>, <<fiscanf>>, and <<siscanf>> are the same as
  	<<scanf>>, <<fscanf>>, and <<sscanf>> respectively, only that
  	they restrict the available formats to non-floating-point
  	format specifiers.
  
          The routines <<_iscanf_r>>, <<_fiscanf_r>>, and <<_siscanf_r>> are reentrant
          versions of <<iscanf>>, <<fiscanf>>, and <<siscanf>> that take an additional
          first argument pointing to a reentrancy structure.
  
  RETURNS
          <<iscanf>> returns the number of input fields successfully
          scanned, converted and stored; the return value does
          not include scanned fields which were not stored.
  
          If <<iscanf>> attempts to read at end-of-file, the return
          value is <<EOF>>.
  
          If no fields were stored, the return value is <<0>>.
  
  PORTABILITY
  <<iscanf>>, <<fiscanf>>, and <<siscanf>> are newlib extensions.
  
  Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
  <<lseek>>, <<read>>, <<sbrk>>, <<write>>.
  */
  
  #include <_ansi.h>
  #include <reent.h>
  #include <stdio.h>
  #include <string.h>
  #include <stdarg.h>
  #include "local.h"
  
  #ifndef _REENT_ONLY 
  
  int 
  siscanf (const char *str,
         const char *fmt, ...)
  {
    int ret;
    va_list ap;
    FILE f;
  
    f._flags = __SRD | __SSTR;
    f._bf._base = f._p = (unsigned char *) str;
    f._bf._size = f._r = strlen (str);
    f._read = __seofread;
    f._ub._base = NULL;
    f._lb._base = NULL;
    f._file = -1;  /* No file. */
    va_start (ap, fmt);
    ret = __ssvfiscanf_r (_REENT, &f, fmt, ap);
    va_end (ap);
    return ret;
  }
  
  #endif /* !_REENT_ONLY */
  
  int 
  _siscanf_r (struct _reent *ptr,
         const char *str,
         const char *fmt, ...)
  {
    int ret;
    va_list ap;
    FILE f;
  
    f._flags = __SRD | __SSTR;
    f._bf._base = f._p = (unsigned char *) str;
    f._bf._size = f._r = strlen (str);
    f._read = __seofread;
    f._ub._base = NULL;
    f._lb._base = NULL;
    f._file = -1;  /* No file. */
    va_start (ap, fmt);
    ret = __ssvfiscanf_r (ptr, &f, fmt, ap);
    va_end (ap);
    return ret;
  }
  