-extern int ah6_input __P((struct mbuf **, int *, int));
-extern int ah6_output __P((struct mbuf *, u_char *, struct mbuf *,
- struct ipsecrequest *));
-extern int ah6_calccksum __P((struct mbuf *, caddr_t, size_t,
- const struct ah_algorithm *, struct secasvar *));
-
-extern void ah6_ctlinput __P((int, struct sockaddr *, void *));
-#endif /* __APPLE_API_PRIVATE */
-#endif
+extern int ah6_input(struct mbuf **, int *, int);
+extern int ah6_output(struct mbuf *, u_char *, struct mbuf *,
+ struct secasvar *);
+extern int ah6_calccksum(struct mbuf *, caddr_t, size_t,
+ const struct ah_algorithm *, struct secasvar *);