xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
storage = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib,storage_name);
xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
storage = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib,storage_name);