tone
int tone, dropmtx, acquiremtx;
tone = FEEDEQ_TREBLE;
tone = FEEDEQ_BASS;
(void)FEEDER_SET(f, tone, level);
tone(pitchtab[pitch], sound);
tone(tp->frequency, tp->duration);
tone(ttp.frequency, ttp.duration);
static void tone(unsigned int thz, unsigned int centisecs);