strtok_r.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#include "synonyms.h"
#include <string.h>
#include <stddef.h>
/*
* uses strpbrk and strspn to break string into tokens on
* sequentially subsequent calls. returns NULL when no
* non-separator characters remain.
* `subsequent' calls are calls with first argument NULL.
*/
char *
{
char *q, *r;
/* first or subsequent call */
return (NULL);
if (*q == '\0') /* return if no tokens remaining */
return (NULL);
else {
*r = '\0';
*lasts = r + 1;
}
return (q);
}