/*
 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
 *
 * This document is the property of Apple Computer, Inc.
 * It is considered confidential and proprietary.
 *
 * This document may not be reproduced or transmitted in any form,
 * in whole or in part, without the express written permission of
 * Apple Computer, Inc.
 */
#include <string.h>
#include <sys/types.h>

static char *___strtok = NULL;

char *
strtok(char *s, char const *ct)
{
	char *sbegin, *send;

	sbegin  = s ? s : ___strtok;
	if (!sbegin) {
		return NULL;
	}
	sbegin += strspn(sbegin,ct);
	if (*sbegin == '\0') {
		___strtok = NULL;
		return( NULL );
	}
	send = strpbrk( sbegin, ct);
	if (send && *send != '\0')
		*send++ = '\0';
	___strtok = send;
	return (sbegin);
}