_OBJECTID

Metadatacopy
struct _OBJECTID {
    struct _GUID Lineage;/* 0x0  16 */
    unsigned long Uniquifier;/* 0x10  4 */
};
/* computed: NT 4.0 DDK headers (DDK/INC/NTDDK.H, NTDEF.H, ...) compiled with MSVC 32-bit layout rules (clang): a type the DDK libraries' records lack */