Dart_StreamingWriteCallbackFunction typedef
Dart_StreamingWriteCallbackFunction =
Void Function(Pointer<Void> callback_data, Pointer<Uint8> buffer, IntPtr size)
Implementation
typedef Dart_StreamingWriteCallbackFunction = ffi.Void Function(
ffi.Pointer<ffi.Void> callback_data,
ffi.Pointer<ffi.Uint8> buffer,
ffi.IntPtr size);