S9 EXT  (sys:command-line)  ==>  list

Return the command line arguments passed to the S9 interpeter
after the "--" argument. Each argument will be packaged in a
separate string.

(sys:command-line)  ==>  ()             ; s9
(sys:command-line)  ==>  ("a" "b" "c")  ;    s9 -- a b c
                                        ; or s9 -f prog a b c
