clean_ttys
static state_func_t clean_ttys(void);
requested_transition = clean_ttys;
if (current_state == clean_ttys)
current_state == clean_ttys || current_state == catatonia)
requested_transition = clean_ttys;
current_state == clean_ttys || current_state == catatonia)
current_state == clean_ttys ||
requested_transition = clean_ttys;