_Reserved4
void BMidiConsumer::_Reserved4() { }
void BMidiEndpoint::_Reserved4() { }
void BMidiLocalConsumer::_Reserved4() { }
void BMidiLocalProducer::_Reserved4() { }
void BMidiProducer::_Reserved4() { }
void BMidiRoster::_Reserved4() { }
status_t BBufferedDataIO::_Reserved4(void*) { return B_ERROR; }