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 *,
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 *,