add_timer_randomness(&tty_timer_state, ENT_TTY + c);
rndstats.rnd_tty++; enqueue_randomness(&tty_timer_state, ENT_TTY + c);
add_tty_randomness(c)	int	c;{	/* Has randomattach run yet?  */	if (!rnd_attached)		return;	add_timer_randomness(&tty_timer_state, ENT_TTY + c);}