1273 int	ttysave[2] = {-1, -1};  variable
1281 		ttysave[0] = ttys.c_lflag;  in save_tty()
1284 		ttysave[0] = ttys[0].sg_flags;  in save_tty()
1286 		ttysave[1] = ttys[1].sg_flags;  in save_tty()
1297 	if (ttysave[0] != -1) {  in restore_tty()
1299 		ttys.c_lflag = ttysave[0];  in restore_tty()
1302 		ttys[0].sg_flags = ttysave[0];  in restore_tty()
1305 	if (ttysave[1] != -1) {  in restore_tty()
1306 		ttys[1].sg_flags = ttysave[1];  in restore_tty()
1320 	if (ttysave[1] == -1)  in set_tty()
1322 	if (ttysave[1] != -1) {  in set_tty()
1335 	if (ttysave[0] == -1)  in echo_off()
1354 	if (ttysave[0] == -1)  in echo_on()