-Lisp_Object QSin_redisplay;
-Lisp_Object QSin_garbage_collection;
-Lisp_Object QSprocessing_events_at_top_level;
-Lisp_Object QSunknown;
+static Lisp_Object QSin_redisplay;
+static Lisp_Object QSin_garbage_collection;
+static Lisp_Object QSprocessing_events_at_top_level;
+static Lisp_Object QSunknown;