Put some static keywords in the source code.

For these simple utilities, it doesn't harm to make all global variables
static. In fact, this allows the compiler to perform better forms of
optimisation and analysis.

1 files changed, 9 insertions, 9 deletions

diff --git a/bin/ln/ln.c b/bin/ln/ln.c
index e5fdeee..4169e62 100644
--- a/bin/ln/ln.c
+++ b/bin/ln/ln.c
@@ -54,16 +54,16 @@ __FBSDID("$FreeBSD$");
 #include <string.h>
 #include <unistd.h>
 
-int	fflag;				/* Unlink existing files. */
-int	Fflag;				/* Remove empty directories also. */
-int	hflag;				/* Check new name for symlink first. */
-int	iflag;				/* Interactive mode. */
-int	Pflag;				/* Create hard links to symlinks. */
-int	sflag;				/* Symbolic, not hard, link. */
-int	vflag;				/* Verbose output. */
-int	wflag;				/* Warn if symlink target does not
+static int	fflag;			/* Unlink existing files. */
+static int	Fflag;			/* Remove empty directories also. */
+static int	hflag;			/* Check new name for symlink first. */
+static int	iflag;			/* Interactive mode. */
+static int	Pflag;			/* Create hard links to symlinks. */
+static int	sflag;			/* Symbolic, not hard, link. */
+static int	vflag;			/* Verbose output. */
+static int	wflag;			/* Warn if symlink target does not
 					 * exist, and -f is not enabled. */
-char	linkch;
+static char	linkch;
 
 int	linkit(const char *, const char *, int);
 void	usage(void);