-static void encap_add __P((struct encaptab *));
-static int mask_match __P((const struct encaptab *, const struct sockaddr *,
- const struct sockaddr *));
-static void encap_fillarg __P((struct mbuf *, const struct encaptab *));
+static void encap_add(struct encaptab *);
+static int mask_match(const struct encaptab *, const struct sockaddr *,
+ const struct sockaddr *);
+static void encap_fillarg(struct mbuf *, const struct encaptab *);