Use err(3) instead of local redefinition.

svn path=/head/; revision=28069

usr.bin/size/size.1

@@ -56,6 +56,6 @@ attempts to report on the file
 .Xr a.out 5
 .Sh HISTORY
 A
-.Nm size
+.Nm
 command appeared in
 .At v6 .

usr.bin/size/size.1aout

@@ -56,6 +56,6 @@ attempts to report on the file
 .Xr a.out 5
 .Sh HISTORY
 A
-.Nm size
+.Nm
 command appeared in
 .At v6 .

usr.bin/size/size.c

@@ -32,27 +32,30 @@
  */
 
 #ifndef lint
-static char copyright[] =
+static const char copyright[] =
 "@(#) Copyright (c) 1988, 1993\n\
 	The Regents of the University of California.  All rights reserved.\n";
 #endif /* not lint */
 
 #ifndef lint
+#if 0
 static char sccsid[] = "@(#)size.c	8.2 (Berkeley) 12/9/93";
+#endif
+static const char rcsid[] =
+	"$Id$";
 #endif /* not lint */
 
 #include <sys/param.h>
 #include <sys/file.h>
-#include <errno.h>
+#include <err.h>
 #include <a.out.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
-void	err __P((const char *, ...));
 int	show __P((int, char *));
-void	usage __P((void));
+static void	usage __P((void));
 
 int
 main(argc, argv)
@@ -91,12 +94,12 @@ show(count, name)
 	int fd;
 
 	if ((fd = open(name, O_RDONLY, 0)) < 0) {
-		err("%s: %s", name, strerror(errno));
+		warn("%s", name);
 		return (1);
 	}
 	if (read(fd, &head, sizeof(head)) != sizeof(head) || N_BADMAG(head)) {
 		(void)close(fd);
-		err("%s: not in a.out format", name);
+		warnx("%s: not in a.out format", name);
 		return (1);
 	}
 	(void)close(fd);
@@ -114,36 +117,9 @@ show(count, name)
 	return (0);
 }
 
-void
+static void
 usage()
 {
 	(void)fprintf(stderr, "usage: size [file ...]\n");
 	exit(1);
 }
-
-#if __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-void
-#if __STDC__
-err(const char *fmt, ...)
-#else
-err(fmt, va_alist)
-	char *fmt;
-        va_dcl
-#endif
-{
-	va_list ap;
-#if __STDC__
-	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
-	(void)fprintf(stderr, "size: ");
-	(void)vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	(void)fprintf(stderr, "\n");
-}