DHCP_OPTIONS_COOKIE
memcpy(buffer, DHCP_OPTIONS_COOKIE, 4);
if (memcmp(packet->raw->options, DHCP_OPTIONS_COOKIE, 4)) {
if (memcmp(p, DHCP_OPTIONS_COOKIE, DHCP_OPTIONS_COOKIE_LEN)) {
if (memcmp(p, DHCP_OPTIONS_COOKIE, DHCP_OPTIONS_COOKIE_LEN)) {
if (memcmp(opts, DHCP_OPTIONS_COOKIE,
memcpy(&resp.options, DHCP_OPTIONS_COOKIE, DHCP_OPTIONS_COOKIE_LEN);