INT64 __stdcall VfCancelMappedTransfer(_DMA_ADAPTER *DmaAdapter, PVOID TransferContext){ __int64(__fastcall *v4)(_DMA_ADAPTER *, PVOID); LODWORD(v4) = ViGetRealDmaOperation(DmaAdapter, 0xE0ui64); return v4(DmaAdapter, TransferContext); }