inpcb_lookup_bound
inpcb_lookup_bound(tbl, addr, port)
inpcb_lookup_bound(tbl, addr, port)
inp = inpcb_lookup_bound(&dccpbtable, ip->ip_dst,
inpcb_lookup_bound(struct inpcbtable *,
inp = inpcb_lookup_bound(&tcbtable, ip->ip_dst,
inp = inpcb_lookup_bound(&udbtable, *dst4, *dport);