588 	traversal->ExternalPort    = zeroIPPort;  in mDNS_StartNATOperation_internal()
743 …return(mDNSv4AddrIsRFC1918(&src.ip.v4) ? mDNSVal16(m->LLQNAT.ExternalPort) : mDNSVal16(MulticastDN…  in GetLLQEventPort()
890 					if (!mDNSAddressIsOnes(&q->servAddr) && !mDNSIPPortIsZero(m->LLQNAT.ExternalPort) &&  in uDNS_recvLLQResponse()
999 …else if (q && q->LongLived && q->state != LLQ_Poll && !mDNSIPPortIsZero(m->LLQNAT.ExternalPort) &&…  in tcpCallback()
1299 	if (mDNSIPPortIsZero(m->LLQNAT.ExternalPort) || m->LLQNAT.Result)  in startLLQHandshake()
1302 			q->qname.c, DNSTypeName(q->qtype), mDNSVal16(m->LLQNAT.ExternalPort), m->LLQNAT.Result);  in startLLQHandshake()
1747 …NATLease %u", &n->ExternalAddress, mDNSVal16(n->IntPort), mDNSVal16(n->ExternalPort), n->NATLease);  in CompleteRecordNatMap()
1782 	if (!target || target->c[0] == 0 || mDNSIPPortIsZero(n->ExternalPort))  in CompleteRecordNatMap()
1785 … ResourceRecord %##s, ExternalPort %d", target->c, rr->resrec.name->c, mDNSVal16(n->ExternalPort));  in CompleteRecordNatMap()
1787 …cordNatMap - no target for %##s, ExternalPort %d", rr->resrec.name->c, mDNSVal16(n->ExternalPort));  in CompleteRecordNatMap()
1795 … ResourceRecord %##s, ExternalPort %d", target->c, rr->resrec.name->c, mDNSVal16(n->ExternalPort));  in CompleteRecordNatMap()
2584 		!mDNSIPPortIsZero(rr->NATinfo.ExternalPort))  in BuildUpdateMessage()
2586 		rr->resrec.rdata->u.srv.port = rr->NATinfo.ExternalPort;  in BuildUpdateMessage()
4477 			const mDNSIPPort ExternalPort = HaveRoutable ? cur->IntPort :  in CheckNATMappings()  local
4481 					!mDNSSameIPPort     (cur->ExternalPort,       ExternalPort)    ||  in CheckNATMappings()
4485 					if (cur->Protocol && mDNSIPPortIsZero(ExternalPort) && !mDNSIPv4AddressIsZero(m->Router.ip.v4))  in CheckNATMappings()
4496 					cur->ExternalPort    = ExternalPort;  in CheckNATMappings()
4497 					cur->Lifetime        = cur->ExpiryTime && !mDNSIPPortIsZero(ExternalPort) ?  in CheckNATMappings()