(defknown character (t) character (movable foldable unsafely-flushable))
(defknown char-code (character) char-code (movable foldable flushable))
(defknown (char-upcase char-downcase) (character) character
(defknown character (t) character (movable foldable unsafely-flushable))
(defknown char-code (character) char-code (movable foldable flushable))
(defknown (char-upcase char-downcase) (character) character