internal static extern int FsCompareSubtrack(
IntPtr pfsContext, // IN: ptr to FS context
IntPtr pfsSubtrackOld, // IN: ptr to old subtrack
IntPtr pfsSubtrackNew, // IN: ptr to new subtrack
uint fswdir, // IN: fswdir
out FSCOMPRESULT fsCompResult, // OUT: comparison result
out int dvrShifted); // OUT: dvrShifted if result is fscmprShifted
internal static extern int FsCompareSubpages(
IntPtr pfsContext, // IN: ptr to FS context
IntPtr pfsSubpageOld, // IN: ptr to the old subpage
IntPtr pfsSubpageNew, // IN: ptr to the new subpage
out FSCOMPRESULT fsCompResult); // OUT: comparison result