+XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
+
+/************************** Storage handling ***********************************/
+XBT_PUBLIC(size_t) MSG_storage_get_free_size(const char* name);
+XBT_PUBLIC(size_t) MSG_storage_get_used_size(const char* name);
+XBT_PUBLIC(msg_storage_t) MSG_storage_get_by_name(const char *name);
+XBT_PUBLIC(xbt_dict_t) MSG_storage_get_properties(msg_storage_t storage);