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Diffstat (limited to 'sys/netinet/in_systm.h')
-rw-r--r--sys/netinet/in_systm.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netinet/in_systm.h b/sys/netinet/in_systm.h
index ad2c205f7269..6faca52cd61e 100644
--- a/sys/netinet/in_systm.h
+++ b/sys/netinet/in_systm.h
@@ -31,9 +31,12 @@
* SUCH DAMAGE.
*
* from: @(#)in_systm.h 7.4 (Berkeley) 6/28/90
- * $Id: in_systm.h,v 1.2 1993/10/16 18:26:06 rgrimes Exp $
+ * $Id: in_systm.h,v 1.3 1993/11/07 17:47:52 wollman Exp $
*/
+#ifndef _NETINET_IN_SYSTM_H_
+#define _NETINET_IN_SYSTM_H_ 1
+
/*
* Miscellaneous internetwork
* definitions for kernel.
@@ -55,3 +58,4 @@ typedef u_long n_time; /* ms since 00:00 GMT, byte rev */
#ifdef KERNEL
n_time iptime();
#endif
+#endif /* _NETINET_IN_SYSTM_H_ */