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5.87 GUID

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A concrete type, as specified in [C706] and [MS-DTYP] section 2.3.4.

The type GUID has a well-defined null value, which is called the NULL GUID. The constant NULLGUID is equal to this value.

When comparing two GUID values, each GUID value is treated as an octet string in little-endian byte order.

Two GUID values g1 and g2 are equal if they are octet-for-octet identical.

Value g1 is less than value g2 only if there exists an N (where N is less than the size of the GUID type in octets) such that octets 0...N-1 of g1 and g2 are identical, and octet N of g1 is less than octet N of g2.

Value g1 is greater than value g2 only if there exists an N (where N is less than the size of the GUID type in octets) such that octets 0...N-1 of g1 and g2 are identical, and octet N of g1 is greater than octet N of g2.