xbt_dynar_t all_existing_models = NULL; /* to destroy models correctly */
xbt_dynar_t model_list_invoke = NULL; /* for invoking callbacks */
-tmgr_history_t history = NULL;
+tmgr_fes_t history = NULL;
lmm_system_t maxmin_system = NULL;
xbt_dynar_t surf_path = NULL;
xbt_dynar_t host_that_restart = NULL;