/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include <string.h>
#ifdef __ANSI__
#include <sys/stdc.h>
#else
#define const
#define NULL 0
#include "strtok.h"
#endif

#if defined(LIBC_SCCS) && !defined(lint)
static const char sccsid[] = "%W% (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

/*
 * Get next token from string s (NULL on 2nd, 3rd, etc. calls),
 * where tokens are possibly empty strings separated by any character
 * from delim.  Writes NULs into s to end tokens.  delim need not
 * remain constant from call to call.
 */
char *
strsep(s, delim)
	char *s;
	const char *delim;
{
	static char *last;

	if (s != NULL)
		last = s;
	return (strtoken(&last, delim, 0));
}