VLC_EXPORT( update_t *, __update_New, ( vlc_object_t * ) );
VLC_EXPORT( void, update_Delete, ( update_t * ) );
-VLC_EXPORT( void, update_Check, ( update_t * ) );
+VLC_EXPORT( void, update_Check, ( update_t *, void (*callback)( void* ), void * ) );
VLC_EXPORT( int, update_CompareReleaseToCurrent, ( update_t * ) );
VLC_EXPORT( void, update_Download, ( update_t *, char* ) );