TCPOLEN_WINDOW
if (olen < TCPOLEN_WINDOW || !pf_pull_hdr(pd->m,
TCPOPT_WINDOW, TCPOLEN_WINDOW)) != NULL) {
if (optlen >= TCPOLEN_WINDOW)
if (optlen != TCPOLEN_WINDOW)
TCPOPT_WINDOW << 16 | TCPOLEN_WINDOW << 8 |
TCPOLEN_WINDOW << 8 |