@ stdcall -private DllCanUnloadNow() DMUSIC_DllCanUnloadNow
@ stdcall -private DllGetClassObject(ptr ptr ptr) DMUSIC_DllGetClassObject
@ stdcall -private DllRegisterServer() DMUSIC_DllRegisterServer
@ stdcall -private DllUnregisterServer() DMUSIC_DllUnregisterServer