enum cardid { NoSound, GUS, GUSIW };

cardid  init_music();
void    close_music();

extern "C" {

int     init_song(char*);
void    start_song();
void    stop_song();
void    set_globalvol(char);
void    set_songpos(char);
void    set_pattpos(char);

}

extern "C" const char*  SongPtr;
extern "C" const char   SongPos;
extern "C" const char   PattPos;
extern "C"       char   SoundCard;