+graph_config_t *graph_get_selected (void);
+
+int gl_graph_get_title (graph_config_t *cfg,
+ char *buffer, size_t buffer_size);
+
+graph_ident_t *gl_graph_get_selector (graph_config_t *cfg);
+
+int gl_graph_add_def (graph_config_t *cfg, graph_def_t *def);
+