Index: libsmpeg-0.4.5+svn20171018.413/MPEGaudio.h
===================================================================
--- libsmpeg-0.4.5+svn20171018.413.orig/MPEGaudio.h
+++ libsmpeg-0.4.5+svn20171018.413/MPEGaudio.h
@@ -153,6 +153,14 @@ private:
 };
 
 /* The actual MPEG audio class */
+
+class MPEGaudio;
+void Play_MPEGaudioSDL(void *udata, Uint8 *stream, int len);
+int Play_MPEGaudio(MPEGaudio *audio, Uint8 *stream, int len);
+#ifdef THREADED_AUDIO
+int Decode_MPEGaudio(void *udata);
+#endif
+
 class MPEGaudio : public MPEGerror, public MPEGaudioaction {
 
 public: