-extern int oakley_compute_enckey __P((struct ph1handle *));
-extern cert_t *oakley_newcert __P((void));
-extern void oakley_delcert __P((cert_t *));
-extern int oakley_newiv __P((struct ph1handle *));
-extern struct isakmp_ivm *oakley_newiv2 __P((struct ph1handle *, u_int32_t));
-extern void oakley_delivm __P((struct isakmp_ivm *));
-extern vchar_t *oakley_do_decrypt __P((struct ph1handle *,
- vchar_t *, vchar_t *, vchar_t *));
-extern vchar_t *oakley_do_encrypt __P((struct ph1handle *,
- vchar_t *, vchar_t *, vchar_t *));
+extern int oakley_compute_enckey (phase1_handle_t *);
+extern cert_t *oakley_newcert (void);
+extern void oakley_delcert (cert_t *);
+extern int oakley_newiv (phase1_handle_t *);
+extern struct isakmp_ivm *oakley_newiv2 (phase1_handle_t *, u_int32_t);
+extern void oakley_delivm (struct isakmp_ivm *);
+extern vchar_t *oakley_do_decrypt (phase1_handle_t *, vchar_t *, vchar_t *, vchar_t *);
+extern vchar_t *oakley_do_encrypt (phase1_handle_t *, vchar_t *, vchar_t *, vchar_t *);