struct _IOP_FILE_OBJECT_EXTENSION// Size=0x48
{
    unsigned long FoExtFlags;// Offset=0x0 Size=0x4
    void * FoExtPerTypeExtension[7];// Offset=0x8 Size=0x38
    enum _IOP_PRIORITY_HINT FoIoPriorityHint;// Offset=0x40 Size=0x4
};