gistfile1.c

int my_strstr(char *haystack, char *needle)
{
	int offset = -1;
	//for (s = str; *s; ++s);

	char *_haystack;
	char *_needle = needle; // wtf
	for (_haystack = haystack; *_haystack; ++_haystack)
	{
		if (*_haystack == *_needle)
			offset = *_haystack;

		if (offset != -1 && *_needle)
		{
			if (*_haystack != *_needle)
			{
				*_haystack = offset + 1; // rly?
				*_needle = needle;
				offset = -1;
			}
			++_needle;
		}
	}
	return -1;
}