blob: 4713c5c015ad307265b5843f1327a1096b923f9a [file] [log] [blame]
// Copyright 2016 The Fuchsia Authors
// Copyright (c) 2008 Travis Geiselbrecht
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
#include <string.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) {
if (!memcmp(s1, s2, l2))
return (char *)s1;
return NULL;