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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22 #if defined _LIBC || defined HAVE_CONFIG_H
  23 # include <string.h>
  24 #endif
  25
  26 #undef strpbrk
  27
  28 /* Find the first occurrence in S of any character in ACCEPT.  */
  29 char *
  30 strpbrk (s, accept)
  31      const char *s;
  32      const char *accept;
  33 {
  34   while (*s != '\0')
  35     {
  36       const char *a = accept;
  37       while (*a != '\0')
  38         if (*a++ == *s)
  39           return (char *) s;
  40       ++s;
  41     }
  42
  43   return NULL;
  44 }
  45 libc_hidden_builtin_def (strpbrk)