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-rw-r--r--misc/ttyent.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/misc/ttyent.h b/misc/ttyent.h
index a3b4550776..58a1d7a179 100644
--- a/misc/ttyent.h
+++ b/misc/ttyent.h
@@ -33,9 +33,9 @@
  *	@(#)ttyent.h	8.1 (Berkeley) 6/2/93
  */
 
-#ifndef	_TTYENT_H_
+#ifndef	_TTYENT_H
+#define	_TTYENT_H	1
 
-#define	_TTYENT_H_	1
 #include <features.h>
 
 #define	_PATH_TTYS	"/etc/ttys"
@@ -66,4 +66,4 @@ extern int endttyent __P ((void));
 
 __END_DECLS
 
-#endif /* !_TTYENT_H_ */
+#endif /* ttyent.h */