90   HASH_DEL_FN(*del_fn);    /* Application-provided 'app_data' destructor */
95 		      void (*fn)(void), void *data, SYM_DEL_FN(*del_fn));
214 			 void *app_data, HASH_DEL_FN(*del_fn))  in _new_HashTable()  argument
256   hash->del_fn = del_fn;  in _new_HashTable()
301     if(hash->del_fn)  in _del_HashTable()
302       hash->del_fn(hash->app_data);  in _del_HashTable()
341 			void (*fn)(void), void *data, SYM_DEL_FN(*del_fn))  in _new_HashSymbol()  argument
365     if(node->symbol.data && node->symbol.del_fn) {  in _new_HashSymbol()
366       node->symbol.data = node->symbol.del_fn(hash->app_data, node->symbol.code,  in _new_HashSymbol()
373     node = _new_HashNode(hash, name, code, fn, data, del_fn);  in _new_HashSymbol()
479 			      void (*fn)(void), void *data, SYM_DEL_FN(*del_fn))  in _new_HashNode()  argument
498   node->symbol.del_fn = del_fn;  in _new_HashNode()
543     if(node->symbol.data && node->symbol.del_fn)  in _del_HashNode()
544       node->symbol.data = node->symbol.del_fn(hash->app_data,  in _del_HashNode()