dhcpv6_binding_cb_handler_t func, void *arg);
void dhcpv6_write_statefile(void);
void dhcpv6_ia_preupdate(struct interface *iface);
dhcpv6_binding_cb_handler_t func, void *arg);
void dhcpv6_write_statefile(void);
void dhcpv6_ia_preupdate(struct interface *iface);