static bool check_buffer(RBuffer *b) {
	if (r_buf_size (b) >= 4) {
		ut8 buf[4] = {0};
		if (r_buf_read_at (b, 0, buf, 4)) {
			if (!memcmp (buf, "\xce\xfa\xed\xfe", 4) ||
				!memcmp (buf, "\xfe\xed\xfa\xce", 4)) {
				return true;
			}
		}
	}
	return false;
}
Unknown