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Diffstat (limited to 'sys/netccitt/x25.h')
-rw-r--r--sys/netccitt/x25.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netccitt/x25.h b/sys/netccitt/x25.h
index 34eddbac0d4f..560587f496d1 100644
--- a/sys/netccitt/x25.h
+++ b/sys/netccitt/x25.h
@@ -36,9 +36,12 @@
* SUCH DAMAGE.
*
* from: @(#)x25.h 7.8 (Berkeley) 5/29/91
- * $Id: x25.h,v 1.2 1993/10/16 19:47:00 rgrimes Exp $
+ * $Id: x25.h,v 1.3 1993/11/07 17:47:28 wollman Exp $
*/
+#ifndef _NETCCITT_X25_H_
+#define _NETCCITT_X25_H_ 1
+
#ifdef KERNEL
#define PRC_IFUP 3
#define PRC_LINKUP 4
@@ -151,3 +154,4 @@ struct ifreq_x25 {
#define SIOCSIFCONF_X25 _IOW('i', 12, struct ifreq_x25) /* set ifnet config */
#define SIOCGIFCONF_X25 _IOWR('i',13, struct ifreq_x25) /* get ifnet config */
#endif
+#endif /* _NETCCITT_X25_H_ */