X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/6c86b28db134c57a8c04cf3245e55fc09e663553..795abf1316db53d4abdc5bff180f2b2376c5cfe4:/sys/netccitt/x25.h

diff --git a/sys/netccitt/x25.h b/sys/netccitt/x25.h
index f4d77c90ac..59d5d8663f 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
- *	$Id$
+ *	$Id: x25.h,v 1.2 1993/10/16 19:47:00 rgrimes 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_ */