-static void cbcp_init __P((int unit));
-static void cbcp_open __P((int unit));
-static void cbcp_lowerup __P((int unit));
-static void cbcp_input __P((int unit, u_char *pkt, int len));
-static void cbcp_protrej __P((int unit));
-static int cbcp_printpkt __P((u_char *pkt, int len,
- void (*printer) __P((void *, char *, ...)),
- void *arg));
+static void cbcp_init (int unit);
+static void cbcp_open (int unit);
+static void cbcp_lowerup (int unit);
+static void cbcp_input (int unit, u_char *pkt, int len);
+static void cbcp_protrej (int unit);
+static int cbcp_printpkt (u_char *pkt, int len,
+ void (*printer)(void *, char *, ...),
+ void *arg);