+struct icu_iter;
+struct icu_iter *icu_iter_create(struct icu_chain *chain,
+ const char *src8cstr);
+void icu_iter_destroy(struct icu_iter *iter);
+int icu_iter_next(struct icu_iter *iter, struct icu_buf_utf8 *result);
+const char *icu_iter_get_sortkey(struct icu_iter *iter);
+const char *icu_iter_get_display(struct icu_iter *iter);
+