glibc/sysdeps/generic/strpbrk.c

39 lines
1.2 KiB
C

/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <string.h>
/* Find the first ocurrence in S of any character in ACCEPT. */
char *
DEFUN(strpbrk, (s, accept),
register CONST char *s AND register CONST char *accept)
{
while (*s != '\0')
{
const char *a = accept;
while (*a != '\0')
if (*a++ == *s)
return (char *) s;
++s;
}
return NULL;
}