1 2 @ stdcall FltRegisterFilter(ptr ptr ptr) 3 @ stdcall FltUnregisterFilter(ptr) 4 @ stdcall FltCloseCommunicationPort(ptr) 5 @ stdcall FltStartFiltering(ptr) 6 @ stdcall FltCreateCommunicationPort(ptr ptr ptr ptr ptr ptr ptr long) 7 @ stdcall FltBuildDefaultSecurityDescriptor(ptr long) 8 @ stdcall FltFreeSecurityDescriptor(ptr) 9 @ stdcall FltGetDiskDeviceObject(ptr ptr) 10 @ stdcall FltGetVolumeProperties(ptr ptr long ptr) 11 12