+extern int ipsec6_interface_output(struct ipsec_output_state *, ifnet_t, u_char *, struct mbuf *);
+extern int ipsec6_output_trans(struct ipsec_output_state *, u_char *,
+ struct mbuf *, struct secpolicy *, int, int *);
+extern int ipsec6_output_tunnel(struct ipsec_output_state *,
+ struct secpolicy *, int);
+extern int ipsec6_tunnel_validate(struct mbuf *, int, u_int,
+ struct secasvar *, sa_family_t *);
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* _NETINET6_IPSEC6_H_ */