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strpbrk.c

/* Copyright (C) 1991, 1994, 2000, 2002-2003 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 program 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 2, or (at your option) any
   later version.

   This program 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 this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

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

#include <stddef.h>
#include <string.h>

#undef strpbrk

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

  return NULL;
}

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