+#include "utils_array.h"
+#include "graph_ident.h"
+
+struct graph_instance_s;
+typedef struct graph_instance_s graph_instance_t;
+
+struct graph_config_s;
+typedef struct graph_config_s graph_config_t;
+
+/*
+ * Callback types
+ */
+typedef int (*gl_cfg_callback) (graph_config_t *cfg,
+ void *user_data);
+
+typedef int (*gl_inst_callback) (graph_config_t *cfg,
+ graph_instance_t *inst, void *user_data);
+
+/*
+ * Functions
+ */
+int gl_graph_get_all (gl_cfg_callback callback,
+ void *user_data);
+
+graph_config_t *graph_get_selected (void);
+
+int gl_graph_get_title (graph_config_t *cfg,
+ char *buffer, size_t buffer_size);
+
+int gl_graph_instance_get_all (graph_config_t *cfg,
+ gl_inst_callback callback, void *user_data);
+
+graph_instance_t *inst_get_selected (graph_config_t *cfg);
+
+int gl_instance_get_all (gl_inst_callback callback,
+ void *user_data);
+
+int gl_instance_get_params (graph_config_t *cfg, graph_instance_t *inst,
+ char *buffer, size_t buffer_size);
+
+int gl_instance_get_rrdargs (graph_config_t *cfg, graph_instance_t *inst,
+ str_array_t *args);
+
+graph_ident_t *gl_instance_get_selector (graph_instance_t *inst);
+