SerialTransport
SerialTransport::Write(const void* buffer, size_t size)
SerialTransport* transport = new SerialTransport(printer, msg);
SerialTransport(BDirectory* printer, BMessage* msg);
~SerialTransport();
SerialTransport::SerialTransport(BDirectory* printer, BMessage* msg)
SerialTransport::~SerialTransport()
SerialTransport::Read(void* buffer, size_t size)