_IP_PATTERN

type _IP_PATTERN = record

  Reserved1: ULONG;

  Reserved2: ULONG;

  SrcAddr: ULONG;

  DstAddr: ULONG;

  S_un: record

    case Integer of

      0: (

          s_srcport: USHORT;

          s_dstport: USHORT;

        );

      1: (

          s_type: UCHAR;

          s_code: UCHAR;

          filler: USHORT;

        );

      2: (

          S_Spi: ULONG;

        );

  end;

  ProtocolId: UCHAR;

  Reserved3: array [0..3-1] of UCHAR;

end;