/* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
#ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
#endif
#include "backupfile.h"
#ifdef STDC_HEADERS
-#include <stdlib.h>
+# include <stdlib.h>
#endif
int argmatch ();
extern char *program_name;
-static char *backup_args[] =
+static const char *const backup_args[] =
{
"never", "simple", "nil", "existing", "t", "numbered", 0
};
-static enum backup_type backup_types[] =
+static const enum backup_type backup_types[] =
{
simple, simple, numbered_existing, numbered_existing, numbered, numbered
};