XBT_PUBLIC(void) xbt_graph_free_node(xbt_graph_t g, xbt_node_t n,
void_f_pvoid_t *node_free_function , void_f_pvoid_t *edge_free_function);
XBT_PUBLIC(void) xbt_graph_free_node(xbt_graph_t g, xbt_node_t n,
void_f_pvoid_t *node_free_function , void_f_pvoid_t *edge_free_function);