-#define NOT_EXPLORED 0
-#define CURRENTLY_EXPLORING 1
-#define ALREADY_EXPLORED 2
-
-void xbt_floyd_algorithm(xbt_graph_t g, double *adj, double *d,
- xbt_node_t * p);
-void xbt_graph_depth_visit(xbt_graph_t g, xbt_node_t n,
- xbt_node_t * sorted, int *idx);
+XBT_PRIVATE void xbt_floyd_algorithm(xbt_graph_t g, double *adj, double *d, xbt_node_t * p);