+/* Hook for a plugin to say whether it is OK if the peer
+ refuses to authenticate. */
+int (*null_auth_hook) __P((struct wordlist **paddrs,
+ struct wordlist **popts)) = NULL;
+
+/* A notifier for when the peer has authenticated itself,
+ and we are proceeding to the network phase. */
+struct notifier *auth_up_notifier = NULL;
+
+/* A notifier for when the link goes down. */
+struct notifier *link_down_notifier = NULL;
+