289 static float	dot_clock;  variable
396 		dot_clock = wpm / 2.4;		/* dots/sec */  in main()
397 		dot_clock = 1 / dot_clock;	/* duration of a dot */  in main()
398 		dot_clock = dot_clock / 2;	/* dot_clock runs at twice */  in main()
400 		dot_clock = dot_clock * 100;	/* scale for ioctl */  in main()
527 			sound.duration = dot_clock;  in play()
531 			sound.duration = dot_clock * DASH_LEN;  in play()
546 		sound.duration = dot_clock;  in play()
567 			duration = dot_clock;  in ttyout()
571 			duration = dot_clock * DASH_LEN;  in ttyout()
592 		duration = dot_clock * 10000;  in ttyout()