Function WritePacketHeader

library/cpp/netliba/v12/udp_socket.cpp:129–133

    }

    static void WritePacketHeader(char* packet, const size_t packetSize, const sockaddr_in6& toAddress) {
        WriteVersion(packet);
        WritePacketDataSize(packet, (ui16)(packetSize - UDP_LOW_LEVEL_HEADER_SIZE));
        *(ui64*)packet = CalcCrc(packet + UDP_CRC_SIZE, packetSize - UDP_CRC_SIZE, toAddress);
    }

    //TODO: refactoring CreateSendMsgHdr!
    //for a while do not use TSockAddrPair here - CreateSendMsgHdr will cast const sockaddr_in6& toAddr to void* !!!