/** Prepend \c node to \c list. */
symbol_list *symbol_list_prepend (symbol_list *list, symbol_list *node);
+/** Append \c node to \c list. */
+symbol_list *symbol_list_append (symbol_list *list, symbol_list *node);
+
/** Free \c list, but not the items it contains. */
void symbol_list_free (symbol_list *list);