@ stdcall FltRegisterFilter(ptr ptr ptr) @ stdcall FltUnregisterFilter(ptr) @ stdcall FltCloseCommunicationPort(ptr) @ stdcall FltStartFiltering(ptr) @ stdcall FltCreateCommunicationPort(ptr ptr ptr ptr ptr ptr ptr long) @ stdcall FltBuildDefaultSecurityDescriptor(ptr long) @ stdcall FltFreeSecurityDescriptor(ptr) @ stdcall FltGetDiskDeviceObject(ptr ptr) @ stdcall FltGetVolumeProperties(ptr ptr long ptr)