rem: gTransport = instanciate_transport(&printer, msg);
add: gTransport = instantiate_transport(&printer, msg);
context: extern "C" _EXPORT BDataIO *init_transport(BMessage *msg){	if (msg == NULL || gTransport != NULL)		return NULL;			const char *spool_path = msg->FindString("printer_file");	if (spool_path && *spool_path != '\0') {		BDirectory printer(spool_path);		if (printer.InitCheck() == B_OK) {			gTransport = instanciate_transport(&printer, msg);			return gTransport;		};	};		return NULL;}