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Diffstat (limited to 'sys/netinet/tcpip.h')
-rw-r--r--sys/netinet/tcpip.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/netinet/tcpip.h b/sys/netinet/tcpip.h
index 3e5f7829942..75316280821 100644
--- a/sys/netinet/tcpip.h
+++ b/sys/netinet/tcpip.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcpip.h,v 1.4 1997/08/26 20:02:35 deraadt Exp $ */
+/* $OpenBSD: tcpip.h,v 1.5 2001/06/09 07:03:45 angelos Exp $ */
/* $NetBSD: tcpip.h,v 1.6 1995/11/21 01:07:44 cgd Exp $ */
/*
@@ -36,6 +36,9 @@
* @(#)tcpip.h 8.1 (Berkeley) 6/10/93
*/
+#ifndef _NETINET_TCPIP_H_
+#define _NETINET_TCPIP_H_
+
/*
* Tcp+ip header, after ip options removed.
*/
@@ -58,3 +61,5 @@ struct tcpiphdr {
#define ti_win ti_t.th_win
#define ti_sum ti_t.th_sum
#define ti_urp ti_t.th_urp
+
+#endif /* _NETINET_TCPIP_H_ */