inc_fport
#define inp_fport inp_inc.inc_fport
inc.inc_fport = th->th_sport;
inc.inc_fport = th->th_dport;
inc.inc_fport = th.th_dport;
sc->sc_inc.inc_fport = inc->inc_fport;
th->th_dport = sc->sc_inc.inc_fport;
add.fport = sc->sc_inc.inc_fport;
add.fport = inc->inc_fport;
sc->sc_inc.inc_fport = inc->inc_fport;
(inc)->inc_fport ^ (inc)->inc_lport) & mask)
(inc)->inc_fport ^ (inc)->inc_lport) & mask)
sin6_faddr.sin6_port = sc->sc_inc.inc_fport;
sin_faddr.sin_port = sc->sc_inc.inc_fport;
ntohs(pcb.inp_inc.inc_fport));
sin6[TCPDROP_FOREIGN].sin6_port = inc->inc_fport;
sin4[TCPDROP_FOREIGN].sin_port = inc->inc_fport;