126 static int real_ttyfd;		/* fd for actual serial port (not pty) */  variable
534 	real_ttyfd = -1;  in connect_tty()
576 			real_ttyfd = open(devnam, O_NONBLOCK | O_RDWR, 0);  in connect_tty()
580 			if (real_ttyfd >= 0)  in connect_tty()
590 		ttyfd = real_ttyfd;  in connect_tty()
682 		if (real_ttyfd != -1) {  in connect_tty()
685 				setdtr(real_ttyfd, 0);	/* in case modem is off hook */  in connect_tty()
687 				setdtr(real_ttyfd, 1);  in connect_tty()
719 		if (real_ttyfd != -1)  in connect_tty()
720 			set_up_tty(real_ttyfd, 0);  in connect_tty()
762 	if (real_ttyfd >= 0)  in connect_tty()
763 		tcflush(real_ttyfd, TCIOFLUSH);  in connect_tty()
780 	if (real_ttyfd >= 0)  in disconnect_tty()
781 		set_up_tty(real_ttyfd, 1);  in disconnect_tty()
794 	if (real_ttyfd >= 0) {  in tty_close_fds()
795 		close(real_ttyfd);  in tty_close_fds()
796 		real_ttyfd = -1;  in tty_close_fds()
803 	if (real_ttyfd >= 0)  in cleanup_tty()
834 		setdtr(real_ttyfd, 0);  in finish_tty()
842 	restore_tty(real_ttyfd);  in finish_tty()
846 		if (fchmod(real_ttyfd, tty_mode) != 0)  in finish_tty()
851 	close(real_ttyfd);  in finish_tty()
852 	real_ttyfd = -1;  in finish_tty()