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/*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#include <xen/string.h>
/**
* strstr - Find the first substring in a %NUL terminated string
* @s1: The string to be searched
* @s2: The string to search for
*/
char *(strstr)(const char *s1, const char *s2)
{
size_t l1, l2 = strlen(s2);
if (!l2)
return (char *)s1;
for (l1 = strlen(s1); l1 >= l2; --l1, ++s1)
if (!memcmp(s1, s2, l2))
return (char *)s1;
return NULL;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*/
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