+int
+dict_for_each (dict_t *dict,
+ dict_action_t action,
+ void *closure);
+
+int
+dict_for_each_by_length (dict_t *dict,
+ dict_action_t action,
+ void *closure);
+
+int
+dict_for_each_if (dict_t *dict,
+ dict_action_t action,
+ void *closure,
+ dict_entry_predicate_t predicate);
+
+int
+dict_for_each_by_length_if (dict_t *dict,
+ dict_action_t action,
+ void *closure,
+ dict_entry_predicate_t predicate);
+
+/* Character-by-character perusal of the dictionary */
+dict_cursor_t
+dict_root (dict_t *dict);
+
+dict_cursor_t
+dict_cursor_next (dict_cursor_t cursor,
+ char next);
+
+dict_entry_t *
+dict_cursor_resolve (dict_cursor_t cursor);
+
+#define DICT_CURSOR_NIL NULL