-#if INET6
-struct in6pcb;
-#endif
-extern int ipsec_init_policy __P((struct socket *so, struct inpcbpolicy **));
-extern int ipsec_copy_policy
- __P((struct inpcbpolicy *, struct inpcbpolicy *));
-extern u_int ipsec_get_reqlevel __P((struct ipsecrequest *));
-
-extern int ipsec4_set_policy __P((struct inpcb *inp, int optname,
- caddr_t request, size_t len, int priv));
-extern int ipsec4_get_policy __P((struct inpcb *inpcb, caddr_t request,
- size_t len, struct mbuf **mp));
-extern int ipsec4_delete_pcbpolicy __P((struct inpcb *));
-extern int ipsec4_in_reject_so __P((struct mbuf *, struct socket *));
-extern int ipsec4_in_reject __P((struct mbuf *, struct inpcb *));
-
-#if INET6
-extern int ipsec6_in_reject_so __P((struct mbuf *, struct socket *));
-#if defined(__FreeBSD__) && __FreeBSD__ >= 3 || defined (__APPLE__)
-extern int ipsec6_delete_pcbpolicy __P((struct inpcb *));
-extern int ipsec6_set_policy __P((struct inpcb *inp, int optname,
- caddr_t request, size_t len, int priv));
-extern int ipsec6_get_policy
- __P((struct inpcb *inp, caddr_t request, size_t len, struct mbuf **mp));
-extern int ipsec6_in_reject __P((struct mbuf *, struct inpcb *));
-#else
-extern int ipsec6_delete_pcbpolicy __P((struct in6pcb *));
-extern int ipsec6_set_policy __P((struct in6pcb *in6p, int optname,
- caddr_t request, size_t len, int priv));
-extern int ipsec6_get_policy __P((struct in6pcb *in6p, caddr_t request,
- size_t len, struct mbuf **mp));
-extern int ipsec6_in_reject __P((struct mbuf *, struct in6pcb *));
-#endif
-#endif /*INET6*/
+extern int ipsec_init_policy(struct socket *so, struct inpcbpolicy **);
+extern int ipsec_copy_policy(struct inpcbpolicy *, struct inpcbpolicy *);
+extern u_int ipsec_get_reqlevel(struct ipsecrequest *);
+
+extern int ipsec4_set_policy(struct inpcb *inp, int optname,
+ caddr_t request, size_t len, int priv);
+extern int ipsec4_get_policy(struct inpcb *inpcb, caddr_t request,
+ size_t len, struct mbuf **mp);
+extern int ipsec4_delete_pcbpolicy(struct inpcb *);
+extern int ipsec4_in_reject_so(struct mbuf *, struct socket *);
+extern int ipsec4_in_reject(struct mbuf *, struct inpcb *);