2.2.1 ExtendedGUID
The ExtendedGUID structure is a combination of a GUID, as specified by [MS-DTYP], and an unsigned integer. Two ExtendedGUID structures specify the same identifier if the values of their guid fields are the same and the values of their n fields are the same.
This structure has the following format.
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2 |
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guid (16 bytes) |
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n |
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guid (16 bytes): Specifies a GUID, as specified by [MS-DTYP].
n (4 bytes): An unsigned integer that MUST be zero when the guid field value is {00000000-0000-0000-0000-000000000000}.