struct io.IpHdr
struct IpHdr { // fields uint8_t m_headerLength; uint8_t m_version; uint8_t m_typeOfService; uint16_t bigendian m_totalLength; uint16_t bigendian m_identification; uint16_t bigendian m_flags; uint16_t bigendian m_fragmentOffset; uint8_t m_timeToLive; io.IpProtocol m_protocol; uint16_t bigendian m_headerChecksum; io.Address_ip4 m_srcAddress; io.Address_ip4 m_dstAddress; };