245 struct hb_language_item_t {  struct
247   struct hb_language_item_t *next;  argument
253   hb_language_item_t & operator = (const char *s) {  in operator =()  argument
276 static hb_atomic_ptr_t <hb_language_item_t> langs;  argument
283   hb_language_item_t *first_lang = langs;  in free_langs()
288     hb_language_item_t *next = first_lang->next;  in free_langs()
296 static hb_language_item_t *
300   hb_language_item_t *first_lang = langs;  in lang_find_or_insert()
302   for (hb_language_item_t *lang = first_lang; lang; lang = lang->next)  in lang_find_or_insert()
307   hb_language_item_t *lang = (hb_language_item_t *) calloc (1, sizeof (hb_language_item_t));  in lang_find_or_insert()
354   hb_language_item_t *item = nullptr;  in hb_language_from_string()