@ stdcall -private DllCanUnloadNow() MSISYS_DllCanUnloadNow
@ stdcall -private DllGetClassObject(ptr ptr ptr) MSISYS_DllGetClassObject
@ stdcall -private DllRegisterServer() MSISYS_DllRegisterServer
@ stdcall -private DllUnregisterServer() MSISYS_DllUnregisterServer