extern struct notifier *phasechange; /* for notifications of phase changes */
extern struct notifier *exitnotify; /* for notification that we're exiting */
extern struct notifier *sigreceived; /* notification of received signal */
-extern struct notifier *ip_up_notifier; /* IPCP has come up */
-extern struct notifier *ip_down_notifier; /* IPCP has gone down */
+extern struct notifier *ip_up_notifier; /* IPCP has come up */
+extern struct notifier *ip_down_notifier; /* IPCP has gone down */
+extern struct notifier *ipv6_up_notifier; /* IPV6CP has come up */
+extern struct notifier *ipv6_down_notifier; /* IPV6CP has gone down */
extern struct notifier *auth_up_notifier; /* peer has authenticated */
extern struct notifier *link_down_notifier; /* link has gone down */
extern struct notifier *fork_notifier; /* we are a new child process */
extern void (*ip_up_hook) __P((void));
extern void (*ip_down_hook) __P((void));
extern void (*ip_choose_hook) __P((u_int32_t *));
+extern void (*ipv6_up_hook) __P((void));
+extern void (*ipv6_down_hook) __P((void));
extern int (*chap_check_hook) __P((void));
extern int (*chap_passwd_hook) __P((char *user, char *passwd));