-list_t * ll_alloc (const datatype_t *key_type);
-uint64_t ll_cas (list_t *ll, void *key, uint64_t expected_val, uint64_t new_val);
-uint64_t ll_lookup (list_t *ll, void *key);
-uint64_t ll_remove (list_t *ll, void *key);
-uint64_t ll_count (list_t *ll);
-void ll_print (list_t *ll);
-void ll_free (list_t *ll);
+ll_iter_t * ll_iter_begin (list_t *ll, map_key_t key);
+map_val_t ll_iter_next (ll_iter_t *iter, map_key_t *key_ptr);
+void ll_iter_free (ll_iter_t *iter);
+
+static const map_impl_t MAP_IMPL_LL = {
+ (map_alloc_t)ll_alloc, (map_cas_t)ll_cas, (map_get_t)ll_lookup, (map_remove_t)ll_remove,
+ (map_count_t)ll_count, (map_print_t)ll_print, (map_free_t)ll_free, (map_iter_begin_t)ll_iter_begin,
+ (map_iter_next_t)ll_iter_next, (map_iter_free_t)ll_iter_free
+};