USER_MARSHAL_FREEING_ROUTINE typedef
USER_MARSHAL_FREEING_ROUTINE = Pointer<NativeFunction<Void Function(Pointer<UnsignedLong> , Pointer<Void> )> >
Implementation
typedef USER_MARSHAL_FREEING_ROUTINE = ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.UnsignedLong>, ffi.Pointer<ffi.Void>)>>;