505     Ip6::Udp::Header udpHeader;  in CompressUdp()  local
509     SuccessOrExit(error = aMessage.Read(aMessage.GetOffset(), udpHeader));  in CompressUdp()
511     source      = udpHeader.GetSourcePort();  in CompressUdp()
512     destination = udpHeader.GetDestinationPort();  in CompressUdp()
534 …SuccessOrExit(error = aFrameBuilder.AppendBytes(&udpHeader, Ip6::Udp::Header::kLengthFieldOffset));  in CompressUdp()
537     SuccessOrExit(error = aFrameBuilder.AppendBigEndianUint16(udpHeader.GetChecksum()));  in CompressUdp()
539     aMessage.MoveOffset(sizeof(udpHeader));  in CompressUdp()
941     Ip6::Udp::Header udpHeader;  in DecompressUdpHeader()  local
943     SuccessOrExit(error = DecompressUdpHeader(udpHeader, aFrameData));  in DecompressUdpHeader()
948         udpHeader.SetLength(sizeof(udpHeader) + aFrameData.GetLength());  in DecompressUdpHeader()
952         udpHeader.SetLength(aDatagramLength - aMessage.GetOffset());  in DecompressUdpHeader()
955     SuccessOrExit(error = aMessage.Append(udpHeader));  in DecompressUdpHeader()
956     aMessage.MoveOffset(sizeof(udpHeader));  in DecompressUdpHeader()