double surf_network_link_get_latency(surf_cpp_resource_t link);
xbt_dict_t surf_storage_get_content(surf_resource_t resource);
sg_storage_size_t surf_storage_get_size(surf_resource_t resource);
+void surf_storage_rename(surf_resource_t resource, const char* src, const char* dest);
void *surf_action_get_data(surf_action_t action);
void surf_action_set_data(surf_action_t action, void *data);
void surf_action_unref(surf_action_t action);