+void client_remove_from_session(struct client *c);
+void client_incref(struct client *c);
+void client_got_records(struct client *c);
+void client_lock(struct client *c);
+void client_unlock(struct client *c);
+
+int client_has_facet(struct client *cl, const char *name);
+void client_check_preferred_watch(struct client *cl);