```common-lisp
; This outputs ipconfig info into Emacs *inferior-slime*
(run-program "ipconfig" '() :search t :output t :wait nil)

; This should return ipconfig output to a string, but the resulting string is "".
(with-output-to-string (st)
	   (run-program "ipconfig" '() :search t :output st :wait nil))


```