--- Net2/nfs/rpcv2.h	2018/04/24 18:03:57	1.1
+++ Net2/nfs/rpcv2.h	2018/04/24 18:15:34	1.1.1.2
@@ -33,9 +33,13 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)rpcv2.h	7.4 (Berkeley) 6/28/90
+ *	from: @(#)rpcv2.h	7.4 (Berkeley) 6/28/90
+ *	rpcv2.h,v 1.3 1993/05/20 03:19:16 cgd Exp
  */
 
+#ifndef _NFS_RPCV2_H_
+#define _NFS_RPCV2_H_
+
 /*
  * Definitions for Sun RPC Version 2, from
  * "RPC: Remote Procedure Call Protocol Specification" RFC1057
@@ -85,3 +89,5 @@
 #define	RPCMNT_NAMELEN	255
 #define	RPCMNT_PATHLEN	1024
 #define	RPCPROG_NFS	100003
+
+#endif /* !_NFS_RPCV2_H_ */