-void xbt_export_graphviz(xbt_graph_t g, const char *filename,
- const char *(node_name)(xbt_node_t),
- const char *(edge_name)(xbt_edge_t)
- );
-
-void xbt_graph_export_surfxml(xbt_graph_t g,
- const char *filename,
- const char *(node_name)(xbt_node_t),
- const char *(edge_name)(xbt_edge_t)
- );
-
-void *xbt_graph_to_array(xbt_graph_t g);
-void xbt_graph_shortest_paths(xbt_graph_t g);
+/* void *xbt_graph_to_array(xbt_graph_t g); */
+xbt_node_t* xbt_graph_shortest_paths(xbt_graph_t g);