string/strpbrk.c

   1 /* Copyright (C) 1991, 1994, 1996, 1997, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #if defined _LIBC || defined HAVE_CONFIG_H
  24 # include <string.h>
  25 #endif
  26
  27 #undef strpbrk
  28
  29 /* Find the first occurrence in S of any character in ACCEPT.  */
  30 char *
  31 strpbrk (s, accept)
  32      const char *s;
  33      const char *accept;
  34 {
  35   while (*s != '\0')
  36     {
  37       const char *a = accept;
  38       while (*a != '\0')
  39         if (*a++ == *s)
  40           return (char *) s;
  41       ++s;
  42     }
  43
  44   return NULL;
  45 }
  46 libc_hidden_builtin_def (strpbrk)