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-rw-r--r--sys/sys/lockf.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/sys/lockf.h b/sys/sys/lockf.h
index e72122adcd8a..09b2b68af90d 100644
--- a/sys/sys/lockf.h
+++ b/sys/sys/lockf.h
@@ -34,9 +34,12 @@
* SUCH DAMAGE.
*
* @(#)lockf.h 8.1 (Berkeley) 6/11/93
- * $Id: lockf.h,v 1.2 1994/08/02 07:54:50 davidg Exp $
+ * $Id: lockf.h,v 1.1 1994/08/08 17:30:58 davidg Exp $
*/
+#ifndef _SYS_LOCKF_H_
+#define _SYS_LOCKF_H_
+
/*
* The lockf structure is a kernel structure which contains the information
* associated with a byte range lock. The lockf structures are linked into
@@ -79,3 +82,5 @@ void lf_print __P((char *, struct lockf *));
void lf_printlist __P((char *, struct lockf *));
__END_DECLS
#endif
+
+#endif