_VF_CONTEXT_HEADER *__stdcall VfQueryDeviceContext(_DEVICE_OBJECT *DeviceObject, _VF_DEVICE_CONTEXT_ID ContextId){
unsigned int v2;
VOID *v3;
if( ViVerifierEnabled && ViIsContextIdValid(VfDeviceType, *(UINT64 *)&ContextId) )
return ViQueryObjectContext(v3, VfDeviceType, v2);
else
return 0i64;
}