www.pudn.com > XmudOSr.rar > MyMusic.h

extern char g_sFileName[MAX_PATH]; 
extern HRESULT InitDirectMusic(HWND hwnd,LPDIRECTSOUND lpDS); 
extern HRESULT EnumDirectMusic(void); 
extern HRESULT SwitchMusicPort(void); 
extern HRESULT PlayDirectMusic(char *szMidiFileName); 
extern HRESULT PauseDirectMusic(void); 
extern HRESULT ResumeDirectMusic(void); 
extern HRESULT StopDirectMusic(void); 
extern HRESULT QuitDirectMusic(void);