Function strstr

src/lib/string.c:142–150

}

char *strstr(const char *haystack, const char *needle)
{
	size_t needle_len = strlen(needle);
	for (; *haystack; haystack++) {
		if (!strncmp(haystack, needle, needle_len))
			return (char *)haystack;
	}
	return NULL;
}

char *strtok_r(char *str, const char *delim, char **ptr)
{