i-bash/lib/sh/strpbrk.c

/* strpbrk.c - locate multiple characters in a string */

/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.

   NOTE: The canonical source of this file is maintained with the GNU C Library.
   Bugs can be reported to bug-glibc@prep.ai.mit.edu.

   This file is part of GNU Bash, the Bourne Again SHell.

   Bash is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Bash is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#if !defined (HAVE_STRPBRK)

#include <stdc.h>

/* Find the first occurrence in S of any character in ACCEPT.  */
char *
strpbrk (s, accept)
     register const char *s;
     register const char *accept;
{
  while (*s != '\0')
    {
      const char *a = accept;
      while (*a != '\0')
	if (*a++ == *s)
	  return (char *) s;
      ++s;
    }

  return 0;
}
#endif