Here we only have the QUIT function, see mopp.lisp for a MOP campatability layer.
(defun quit (&optional (exit-code 0)) #+openmcl (ccl:quit exit-code) #+sbcl (sb-ext:quit :unix-status exit-code) #+clisp (ext:quit exit-code) #+cmu (declare (ignore exit-code)) #+cmu (ext:quit) )