CLKED
i |= CLKED;
i &= ~CLKED;
if (sc->sc_leds & CLKED) {
i |= CLKED;
i &= ~CLKED;
if (((key->flgs & FLAG_LOCK_C) && (state & CLKED))
led = CLKED;
i |= CLKED;
i &= ~CLKED;
#define LOCK_MASK (CLKED | NLKED | SLKED | ALKED)