graph_instance_t *inst_get_selected (graph_config_t *cfg);
+int inst_get_all_selected (graph_config_t *cfg,
+ graph_inst_callback_t callback, void *user_data);
+
int inst_get_params (graph_config_t *cfg, graph_instance_t *inst,
char *buffer, size_t buffer_size);
int inst_compare_ident (graph_instance_t *inst, const graph_ident_t *ident);
-_Bool inst_matches_ident (graph_instance_t *inst, const graph_ident_t *ident);
+/* Returns true if "ident" matches the instance's selector. */
+_Bool inst_ident_matches (graph_instance_t *inst, const graph_ident_t *ident);
+
+/* Returns true if the instance's selector matches the (more general)
+ * "selector" ident. */
+_Bool inst_matches_ident (graph_instance_t *inst,
+ const graph_ident_t *selector);
_Bool inst_matches_string (graph_config_t *cfg, graph_instance_t *inst,
const char *term);