uint8_t* FAST_FUNC udhcp_get_option32(struct dhcp_packet *packet, int code)
{
	uint8_t *r = udhcp_get_option(packet, code);
	if (r) {
		if (r[-OPT_DATA + OPT_LEN] != 4)
			r = NULL;
	}
	return r;
}
uint8_t* FAST_FUNC udhcp_get_option32(struct dhcp_packet *packet, int code)
{
	uint8_t *r = udhcp_get_option(packet, code);
	if (r) {
		if (r[-OPT_DATA + OPT_LEN] != 4)
			r = NULL;
	}
	return r;
}