Add `irc' command

Might want to consider a different name, since `irc' is an alias to `rcirc'...

init.el

@@ -1089,6 +1089,29 @@ like a dumbass."
         circe-reduce-lurker-spam t
         circe-server-auto-join-default-type :after-auth)
 
+  (defun irc ()
+    "Connect to IRC."
+    (interactive)
+    (dolist (network (mapcar #'car circe-network-options))
+      (circe-maybe-connect network)))
+
+  (defun circe-network-connected-p (network)
+    "Return non-nil if there's any Circe server-buffer whose
+`circe-server-netwok' is NETWORK."
+    (catch 'return
+      (dolist (buffer (circe-server-buffers))
+        (with-current-buffer buffer
+          (if (string= network circe-server-network)
+              (throw 'return t))))))
+
+  (defun circe-maybe-connect (network)
+    "Connect to NETWORK, but ask user for confirmation if it's
+already been connected to."
+    (interactive "sNetwork: ")
+    (if (or (not (circe-network-connected-p network))
+            (y-or-n-p (format "Already connected to %s, reconnect?" network)))
+        (circe network)))
+
   (add-hook 'circe-chat-mode-hook
             (defun circe-chat@setup ()
               (lui-set-prompt