FILE_ID_INFORMATION - NtDoc

#ifndef _NTIOAPI_H

typedef struct _FILE_ID_INFORMATION
{
    ULONGLONG VolumeSerialNumber;
    union
    {
        FILE_ID_128 FileId;
        struct
        {
            LONGLONG FileIdLowPart : 64; // rev
            LONGLONG FileIdHighPart : 64; // rev
        };
    };
} FILE_ID_INFORMATION, *PFILE_ID_INFORMATION;

#endif
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