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Closing a Stream and Terminating PortAudio

When you are done with a stream, you should close it to free up resources:

    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;

We've already mentioned this in Initializing PortAudio, but in case you forgot, be sure to terminate PortAudio when you are done:

    err = Pa_Terminate( );
    if( err != paNoError ) goto error;

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