244 struct hb_language_item_t {  struct
246   struct hb_language_item_t *next;  argument
252   hb_language_item_t & operator = (const char *s) {  in operator =()  argument
275 static hb_atomic_ptr_t <hb_language_item_t> langs;  argument
282   hb_language_item_t *first_lang = langs;  in free_langs()
287     hb_language_item_t *next = first_lang->next;  in free_langs()
295 static hb_language_item_t *
299   hb_language_item_t *first_lang = langs;  in lang_find_or_insert()
301   for (hb_language_item_t *lang = first_lang; lang; lang = lang->next)  in lang_find_or_insert()
306   hb_language_item_t *lang = (hb_language_item_t *) calloc (1, sizeof (hb_language_item_t));  in lang_find_or_insert()
353   hb_language_item_t *item = nullptr;  in hb_language_from_string()