typedef struct _MMVAD_FLAGS2 { unsigned int FileOffset : 24; unsigned int SecNoChange : 1; unsigned int OneSecured : 1; unsigned int MultipleSecured : 1; unsigned int Spare : 1; unsigned int LongVad : 1; unsigned int ExtendableFile : 1; unsigned int Inherit : 1; unsigned int CopyOnWrite : 1; } MMVAD_FLAGS2, *PMMVAD_FLAGS2;