2.2.1 Numbers
The numbers that follow are defined in hexadecimal format for use in NEGOEX structures.
UCHAR is the data type for a one-octet number, as specified in [MS-DTYP] section 2.2.45.
ULONG is the data type for a 4-octet number encoded in little-endian, as specified in [MS-DTYP] section 2.2.51.
USHORT is the data type for a 2-octet number encoded in little-endian, as specified in [MS-DTYP] section 2.2.58.
ULONG64 is the data type for an 8-octet number encoded in little-endian, as specified in [MS-DTYP] section 2.2.54.
GUID is the data type for a 16-octet number encoded in little-endian, as specified in [MS-DTYP] section 2.3.4.