+int unit_coldplug(Unit *u);
+
+void unit_status_printf(Unit *u, const char *format, ...);
+
+bool unit_need_daemon_reload(Unit *u);
+
+void unit_reset_failed(Unit *u);
+
+Unit *unit_following(Unit *u);
+
+bool unit_pending_inactive(Unit *u);
+bool unit_pending_active(Unit *u);
+
+int unit_add_default_target_dependency(Unit *u, Unit *target);
+
+int unit_following_set(Unit *u, Set **s);
+
+UnitType unit_name_to_type(const char *n);
+bool unit_name_is_valid(const char *n, bool template_ok);