static mrb_value SimpleAudioEngine_stopEffect(mrb_state *mrb, mrb_value self) {
  mrb_value* args;
  int arg_count;
  mrb_get_args(mrb, "*", &args, &arg_count);
  unsigned int p0 = get_int(args[0]);
  SimpleAudioEngine* instance = static_cast<SimpleAudioEngine*>(DATA_PTR(self));
  instance->stopEffect(p0);
  return mrb_nil_value();
}