pcppi_bell_locked
pcppi_bell_locked(t, MIDIHZ18_TO_HZ(MIDIPITCH_TO_HZ18(mp)),
pcppi_bell_locked(t, 0, 0, 0);
pcppi_bell_locked(t, 0, 0, 0);
pcppi_bell_locked(self, pitch, period, slp);
pcppi_bell_locked(arg, pitch, (period * hz) / 1000,
void pcppi_bell_locked(pcppi_tag_t, int, int, int);