gl/strpbrk.c

   1 /* Copyright (C) 1991, 1994, 2000, 2002-2003 Free Software Foundation, Inc.
   2    NOTE: The canonical source of this file is maintained with the GNU C Library.
   3    Bugs can be reported to bug-glibc@prep.ai.mit.edu.
   4
   5    This program is free software; you can redistribute it and/or modify it
   6    under the terms of the GNU General Public License as published by the
   7    Free Software Foundation; either version 2, or (at your option) any
   8    later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #include <stddef.h>
  24 #include <string.h>
  25
  26 #undef strpbrk
  27
  28 /* Find the first occurrence in S of any character in ACCEPT.  */
  29 char *
  30 strpbrk (const char *s, const char *accept)
  31 {
  32   while (*s != '\0')
  33     {
  34       const char *a = accept;
  35       while (*a != '\0')
  36         if (*a++ == *s)
  37           return (char *) s;
  38       ++s;
  39     }
  40
  41   return NULL;
  42 }