--- /dev/null
+#ifndef AUDIO_WIN_INT_H
+#define AUDIO_WIN_INT_H
+
+int waveformat_from_audio_settings (WAVEFORMATEX *wfx,
+ struct audsettings *as);
+
+int waveformat_to_audio_settings (WAVEFORMATEX *wfx,
+ struct audsettings *as);
+
+#endif /* AUDIO_WIN_INT_H */