update_kbd_state
update_kbd_state(scp, scp->status, LOCK_MASK);
update_kbd_state(sc->cur_scp,
update_kbd_state(scp, scp->status, SLKED);
update_kbd_state(sc->cur_scp,
static int update_kbd_state(scr_stat *scp, int state, int mask);
update_kbd_state(scp, scp->status, LOCK_MASK);
update_kbd_state(scp, scp->status, LOCK_MASK);