(setq str= = str< < str> > ) (println (str= (lowc "Foo") (lowc "foo") (lowc "fOO")) (str= "f" "foo") (str= "foo" "foo" "foo") (str= "" "") ) (println (str< "abc" "def") (str> "abc" "def") (str< "" "") (str< "12" "45") ) (bye)