void Mixer_InitChannels(void);
void StartMixer(void);
+boolean isSoundPlaying(int);
+
// sound client functions
void PlayMusic(int);
void PlayMusicLoop(int);
int getSoundListSize(void);
int getMusicListSize(void);
+int getMusicListSize_NoConf(void);
struct FileInfo *getSoundListEntry(int);
struct FileInfo *getMusicListEntry(int);
char *getSoundInfoEntryFilename(int);