def __init__(self):
        vstruct.VStruct.__init__(self)
        self.SizeOfFastIoDispatch = v_uint32()
        self.FastIoCheckIfPossible = v_ptr32()
        self.FastIoRead = v_ptr32()
        self.FastIoWrite = v_ptr32()
        self.FastIoQueryBasicInfo = v_ptr32()
        self.FastIoQueryStandardInfo = v_ptr32()
        self.FastIoLock = v_ptr32()
        self.FastIoUnlockSingle = v_ptr32()
        self.FastIoUnlockAll = v_ptr32()
        self.FastIoUnlockAllByKey = v_ptr32()
        self.FastIoDeviceControl = v_ptr32()
        self.AcquireFileForNtCreateSection = v_ptr32()
        self.ReleaseFileForNtCreateSection = v_ptr32()
        self.FastIoDetachDevice = v_ptr32()
        self.FastIoQueryNetworkOpenInfo = v_ptr32()
        self.AcquireForModWrite = v_ptr32()
        self.MdlRead = v_ptr32()
        self.MdlReadComplete = v_ptr32()
        self.PrepareMdlWrite = v_ptr32()
        self.MdlWriteComplete = v_ptr32()
        self.FastIoReadCompressed = v_ptr32()
        self.FastIoWriteCompressed = v_ptr32()
        self.MdlReadCompleteCompressed = v_ptr32()
        self.MdlWriteCompleteCompressed = v_ptr32()
        self.FastIoQueryOpen = v_ptr32()
        self.ReleaseForModWrite = v_ptr32()
        self.AcquireForCcFlush = v_ptr32()
        self.ReleaseForCcFlush = v_ptr32()