-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);
-
-graph_instance_t *gl_graph_get_instances (graph_config_t *cfg);
-
-graph_def_t *gl_graph_get_defs (graph_config_t *cfg);
-
-int gl_graph_add_def (graph_config_t *cfg, graph_def_t *def);