From b4090206ebab47e731a873f68d228202a75b8cb4 Mon Sep 17 00:00:00 2001
From: markm <markm@FreeBSD.org>
Date: Tue, 11 Dec 2001 23:02:44 +0000
Subject: [PATCH] WARNS=2 fix, add externs.h to centralise external prototypes,
 use __FBSDID(), kill register keyword.

---
 usr.bin/vis/extern.h | 36 ++++++++++++++++++++++++++++++++++++
 usr.bin/vis/foldit.c | 14 ++++++++------
 usr.bin/vis/vis.c    | 15 ++++++++-------
 3 files changed, 52 insertions(+), 13 deletions(-)
 create mode 100644 usr.bin/vis/extern.h

diff --git a/usr.bin/vis/extern.h b/usr.bin/vis/extern.h
new file mode 100644
index 000000000000..6839ae006901
--- /dev/null
+++ b/usr.bin/vis/extern.h
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+extern int foldit __P((char *, int, int));
diff --git a/usr.bin/vis/foldit.c b/usr.bin/vis/foldit.c
index 898e341c3c61..6ad82c2dc2f4 100644
--- a/usr.bin/vis/foldit.c
+++ b/usr.bin/vis/foldit.c
@@ -31,22 +31,24 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD$");
+
 #ifndef lint
-#if 0
-static char sccsid[] = "@(#)foldit.c	8.1 (Berkeley) 6/6/93";
+static const char sccsid[] = "@(#)foldit.c	8.1 (Berkeley) 6/6/93";
 #endif
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* not lint */
 
 #include <stdio.h>
 
+#include "extern.h"
+
 int
 foldit(chunk, col, max)
 	char *chunk;
 	int col, max;
 {
-	register char *cp;
+	char *cp;
 
 	/*
 	 * Keep track of column position. Insert hidden newline
diff --git a/usr.bin/vis/vis.c b/usr.bin/vis/vis.c
index 740308e99ee9..c1f22e9e4b2e 100644
--- a/usr.bin/vis/vis.c
+++ b/usr.bin/vis/vis.c
@@ -31,19 +31,19 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD$");
+
 #ifndef lint
 static const char copyright[] =
 "@(#) Copyright (c) 1989, 1993\n\
 	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
+#endif
 
 #ifndef lint
-#if 0
-static char sccsid[] = "@(#)vis.c	8.1 (Berkeley) 6/6/93";
+static const char sccsid[] = "@(#)vis.c	8.1 (Berkeley) 6/6/93";
 #endif
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* not lint */
 
 #include <err.h>
 #include <locale.h>
@@ -52,11 +52,12 @@ static const char rcsid[] =
 #include <unistd.h>
 #include <vis.h>
 
+#include "extern.h"
+
 int eflags, fold, foldwidth=80, none, markeol, debug;
 
 void process __P((FILE *));
 static void usage __P((void));
-extern int foldit __P((char *, int, int));
 
 int
 main(argc, argv)