/*
 * 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>

char *
strstr(char const *s1, char const *s2)
{
	int l1, l2;

	l2 = strlen(s2);
	if (!l2)
		return (char *)s1;
	l1 = strlen(s1);
	while(l1 >= l2) {
		l1--;
		if (!memcmp(s1,s2,l2))
			return (char *)s1;
		s1++;
	}
	return NULL;
}