voice_stop man page
voice_stop — Stops a voice. Allegro game programming library.
void voice_stop(int voice);
Stops a voice, storing the current position and state so that it may later be resumed by calling voice_start().
voice_start(3), deallocate_voice(3), release_voice(3), exstream(3)
deallocate_voice(3), exstream(3), voice_start(3).