typedef struct _VF_TARGET_DRIVER { VF_AVL_TREE_NODE TreeNode; union { VF_TARGET_ALL_SHARED_EXPORT_THUNKS AllSharedExportThunks; struct { unsigned long SnapSharedExportsFailed : 1; unsigned long Spare : 31; } Flags; } u1; VF_TARGET_VERIFIED_DRIVER_DATA *VerifiedData; } VF_TARGET_DRIVER, *PVF_TARGET_DRIVER;