struct io.TcpHdr

struct TcpHdr
{
    // fields

    bigendian unsigned short m_srcPort;
    bigendian unsigned short m_dstPort;
    bigendian unsigned int m_seqNumber;
    bigendian unsigned int m_ackNumber;
    uint8_t m_reserved;
    uint8_t m_dataOffset;
    io.TcpFlags m_flags;
    bigendian unsigned short m_window;
    bigendian unsigned short m_checksum;
    bigendian unsigned short m_urgentData;
};