DartDart_FileReadCallbackFunction typedef
DartDart_FileReadCallbackFunction =
void Function(Pointer<Pointer<Uint8> > data, Pointer<IntPtr> file_length, Pointer<Void> stream)
Implementation
typedef DartDart_FileReadCallbackFunction = void Function(
ffi.Pointer<ffi.Pointer<ffi.Uint8>> data,
ffi.Pointer<ffi.IntPtr> file_length,
ffi.Pointer<ffi.Void> stream);