void string_map_get_keys (const struct string_map *, struct string_set *);
void string_map_get_values (const struct string_map *, struct string_set *);
+bool string_map_equals (const struct string_map *, const struct string_map *);
+
static inline struct string_map_node *string_map_first (
const struct string_map *);
static inline struct string_map_node *string_map_next (