Common LISP: How to open an SSL / TLS stream

Here is a tiny code to get a connection to an SSL/TLS server. I am writing an IRC client and an IRC bot too and it’s better to connect through a secure channel.

This requires usocket and cl+ssl:

(usocket:with-client-socket (socket stream *server* *port*)
  (let ((ssl-stream (cl+ssl:make-ssl-client-stream stream
    						   :external-format '(:iso-8859-1 :eol-style :lf)
    						   :unwrap-stream-p t
    						   :hostname *server*)))
    (format ssl-stream "hello there !~%")
    (force-output ssl-stream)))