lib/strpbrk.c

   1 /* Copyright (C) 1991, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 /* Find the first ocurrence in S of any character in ACCEPT.  */
  24 char *
  25 strpbrk (s, accept)
  26      register const char *s;
  27      register const char *accept;
  28 {
  29   while (*s != '\0')
  30     {
  31       const char *a = accept;
  32       while (*a != '\0')
  33         if (*a++ == *s)
  34           return (char *) s;
  35       ++s;
  36     }
  37
  38   return 0;
  39 }