Dart_FileWriteCallbackFunction typedef
Dart_FileWriteCallbackFunction =
Void Function(Pointer<Void> data, IntPtr length, Pointer<Void> stream)
Implementation
typedef Dart_FileWriteCallbackFunction = ffi.Void Function(ffi.Pointer<ffi.Void> data, ffi.IntPtr length, ffi.Pointer<ffi.Void> stream);