173     struct udphdr udp;  in sendRawUdp()  local
178     ip.tot_len = htons(sizeof(ip) + sizeof(udp) + message.size());  in sendRawUdp()
188     udp.source = htons(sourcePort);  in sendRawUdp()
189     udp.dest = htons(destinationPort);  in sendRawUdp()
190     udp.len = htons(sizeof(udp) + message.size());  in sendRawUdp()
191     udp.check = 0;  in sendRawUdp()
197     udpChecksum = addChecksum(udp.len, udpChecksum);  in sendRawUdp()
198     udpChecksum = addChecksum(udp, udpChecksum);  in sendRawUdp()
200     udp.check = finishChecksum(udpChecksum);  in sendRawUdp()
206     iov[1].iov_base = static_cast<void*>(&udp);  in sendRawUdp()
207     iov[1].iov_len = sizeof(udp);  in sendRawUdp()
271     struct udphdr udp;  in receiveRawUdp()  local
276     iov[1].iov_base = &udp;  in receiveRawUdp()
277     iov[1].iov_len = sizeof(udp);  in receiveRawUdp()
285     if (static_cast<size_t>(bytesRead) < sizeof(ip) + sizeof(udp)) {  in receiveRawUdp()
293                udp.dest == htons(expectedPort);  in receiveRawUdp()
295     message->setSize(bytesRead - sizeof(ip) - sizeof(udp));  in receiveRawUdp()