711 #define setnodekey(L,node,obj) \  argument
718 #define getnodekey(L,obj,node) \  argument
743   Node *node;  member
753 #define keytt(node)		((node)->u.key_tt)  argument
754 #define keyval(node)		((node)->u.key_val)  argument
756 #define keyisnil(node)		(keytt(node) == LUA_TNIL)  argument
757 #define keyisinteger(node)	(keytt(node) == LUA_VNUMINT)  argument
758 #define keyival(node)		(keyval(node).i)  argument
759 #define keyisshrstr(node)	(keytt(node) == ctb(LUA_VSHRSTR))  argument
760 #define keystrval(node)		(gco2ts(keyval(node).gc))  argument
762 #define setnilkey(node)		(keytt(node) = LUA_TNIL)  argument
776 #define setdeadkey(node)	(keytt(node) = LUA_TDEADKEY)  argument
777 #define keyisdead(node)		(keytt(node) == LUA_TDEADKEY)  argument