* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
-extern HRESULT AutomaticUpdates_create( IUnknown *pUnkOuter, LPVOID *ppObj );
-extern HRESULT UpdateSession_create( IUnknown *pUnkOuter, LPVOID *ppObj );
-extern HRESULT UpdateSearcher_create( IUnknown *pUnkOuter, LPVOID *ppObj );
-extern HRESULT UpdateDownloader_create( IUnknown *pUnkOuter, LPVOID *ppObj );
-extern HRESULT UpdateInstaller_create( IUnknown *pUnkOuter, LPVOID *ppObj );
+extern HRESULT AutomaticUpdates_create( IUnknown *pUnkOuter, LPVOID *ppObj ) DECLSPEC_HIDDEN;
+extern HRESULT UpdateSession_create( IUnknown *pUnkOuter, LPVOID *ppObj ) DECLSPEC_HIDDEN;
+extern HRESULT UpdateSearcher_create( IUnknown *pUnkOuter, LPVOID *ppObj ) DECLSPEC_HIDDEN;
+extern HRESULT UpdateDownloader_create( IUnknown *pUnkOuter, LPVOID *ppObj ) DECLSPEC_HIDDEN;
+extern HRESULT UpdateInstaller_create( IUnknown *pUnkOuter, LPVOID *ppObj ) DECLSPEC_HIDDEN;
+extern HRESULT SystemInformation_create(IUnknown *pUnkOuter, LPVOID *ppObj) DECLSPEC_HIDDEN;