Darttts_state_changed_cbFunction typedef
Darttts_state_changed_cbFunction =
void Function(tts_h tts, int previous, int current, Pointer<Void> user_data)
Implementation
typedef Darttts_state_changed_cbFunction = void Function(
tts_h tts, int previous, int current, ffi.Pointer<ffi.Void> user_data);