The id of the sound sample to be played, currently
a number between 0 and 6.
RETURNS
Nothing.
FUNCTION
Calls init_audio,send_audio and free_audio to play an audio sample.
NOTE
The sound generation functions only work on Sun workstations running SunOS
and containing an AMD-AM79C30A sound controller chip.
If SPRANNLIB is compiled without the SUN4 compile flag defined, this routine
will only give a warning about it being available only on SUN systems.