init.el

(defun twittering-mode-exit ()
  "twittering-mode を終了する。"
  (interactive)
  (when (y-or-n-p "Really exit twittering-mode? ")
    (if twittering-timer
        (twittering-stop))
    (dolist (buf (twittering-get-active-buffer-list))
      (if (get-buffer buf)
          (kill-buffer buf))))
  (garbage-collect))