diff --git a/usr.sbin/sliplogin/sliplogin.c b/usr.sbin/sliplogin/sliplogin.c
index 9eb32088f81a..03e689b5f431 100644
--- a/usr.sbin/sliplogin/sliplogin.c
+++ b/usr.sbin/sliplogin/sliplogin.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: sliplogin.c,v 1.22 2008/07/21 13:36:59 lukem Exp $	*/
+/*	$NetBSD: sliplogin.c,v 1.23 2011/08/30 20:42:22 joerg Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1990, 1993\
 #if 0
 static char sccsid[] = "@(#)sliplogin.c	8.2 (Berkeley) 2/1/94";
 #else
-__RCSID("$NetBSD: sliplogin.c,v 1.22 2008/07/21 13:36:59 lukem Exp $");
+__RCSID("$NetBSD: sliplogin.c,v 1.23 2011/08/30 20:42:22 joerg Exp $");
 #endif
 #endif /* not lint */
 
@@ -100,21 +100,19 @@ __RCSID("$NetBSD: sliplogin.c,v 1.22 2008/07/21 13:36:59 lukem Exp $");
 
 #include "pathnames.h"
 
-int	unit;
-int	speed;
-int	uid;
-char	loginargs[BUFSIZ];
-char	loginfile[MAXPATHLEN];
-char	loginname[BUFSIZ];
+static int	unit;
+static int	speed;
+static int	uid;
+static char	loginargs[BUFSIZ];
+static char	loginfile[MAXPATHLEN];
+static char	loginname[BUFSIZ];
 
-void	 findid __P((char *));
-void	hup_handler __P((int));
-int	main __P((int, char **));
-const char *sigstr __P((int));
+static void	 findid(const char *);
+__dead static void	hup_handler(int);
+static const char *sigstr(int);
 
-void
-findid(name)
-	char *name;
+static void
+findid(const char *name)
 {
 	FILE *fp;
 	static char slopt[5][16];
@@ -168,9 +166,8 @@ findid(name)
 	/* NOTREACHED */
 }
 
-const char *
-sigstr(s)
-	int s;
+static const char *
+sigstr(int s)
 {
 
 	if (s > 0 && s < NSIG)
@@ -183,9 +180,8 @@ sigstr(s)
 	}
 }
 
-void
-hup_handler(s)
-	int s;
+static void
+hup_handler(int s)
 {
 	char logoutfile[MAXPATHLEN];
 
@@ -208,9 +204,7 @@ hup_handler(s)
 }
 
 int
-main(argc, argv)
-	int argc;
-	char *argv[];
+main(int argc, char *argv[])
 {
 	int fd, s, ldisc, odisc;
 	char *name;