void add_node PARAMS ((graph_t *graph, node_t *node));
void add_edge PARAMS ((graph_t *graph, edge_t *edge));
+void add_colorentry PARAMS ((graph_t *g, int color_idx, int red_cp,
+ int green_cp, int blue_cp));
+void add_classname PARAMS ((graph_t *g, int val, char *name));
+void add_infoname PARAMS ((graph_t *g, int val, char *name));
+
void open_node PARAMS ((struct obstack *os));
void output_node PARAMS ((node_t *node, struct obstack *os));
void close_node PARAMS ((struct obstack *os));