* The callback functions of cpu_model and network_model will be called from
* those of these host models. */
xbt_dynar_t all_existing_models = NULL; /* to destroy models correctly */
-xbt_dynar_t model_list_invoke = NULL; /* for invoking callbacks */
+xbt_dynar_t model_list_invoke = NULL; /* to invoke callbacks */
tmgr_fes_t history = NULL;
xbt_dynar_t surf_path = NULL;