Function: spam-reverse-ip-string
spam-reverse-ip-string is a byte-compiled function defined in
spam.el.gz.
Signature
(spam-reverse-ip-string IP)
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/spam.el.gz
;;}}}
;;{{{ Blackholes.
(defun spam-reverse-ip-string (ip)
(when (stringp ip)
(mapconcat #'identity
(nreverse (split-string ip "\\."))
".")))