TCPOLEN_TIMESTAMP
while (hlen >= TCPOLEN_TIMESTAMP) {
if (opt[1] >= TCPOLEN_TIMESTAMP) {
while (hlen >= TCPOLEN_TIMESTAMP) {
if (opt[1] >= TCPOLEN_TIMESTAMP) {
if (optlen >= TCPOLEN_TIMESTAMP) {
#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */
(TCPOPT_2NOPs | TCPOPT_TIMESTAMP << 8 | TCPOLEN_TIMESTAMP)
if (optlen != TCPOLEN_TIMESTAMP)