nat_age
nat->nat_age - ticks, nat->nat_use,
PRINTF("%u", n->nat_age);
ipsec->ipsc_state->is_die = nat->nat_age;
st->stu_age = htonl(nat->nat_age);
n->nat_age = htonl(n->nat_age);
n->nat_age = ntohl(n->nat_age);
bzero((char *)n, offsetof(nat_t, nat_age));
bcopy((char *)&nat->nat_age, (char *)&n->nat_age,
sizeof(*n) - offsetof(nat_t, nat_age));