AuSync - flush the output buffer and wait for all events and errors to be processed by the server

server    Specifies the connection to the audio server.

       discard   Specifies if events in the input queue are discarded.

AySync  flushes the output buffer, then waits until all pending requests have been received and processed
       by the server.  If discard is AuTrue, all events on the input queue are discarded.

AuSync - flush the output buffer and wait for all events and errors to be processed by the server

AuFlush.

       audiolib - NetworkAudioSystem C Language Interface

audiolib - output buffer                              1.9.4                                            AuSync(3)

       #include <audio/audiolib.h>

       void AuSync(server, discard)
           AuServer *server;
           AuBooldiscard;