sockaddr

type sockaddr = packed record

  case sa_family: Word of

    AF_INET: (

        sin_port: Word;

        sin_addr: TInAddr;

        sin_zero: array [0..7] of Byte;

      );

    AF_INET6: (

        sin6_port: Word;

        sin6_flowinfo: Word32;

        sin6_addr: TIn6Addr;

        sin6_scope_id: Word32;

      );

end;