--- Net2/sys/signalvar.h	2018/04/24 18:03:58	1.1.1.1
+++ Net2/sys/signalvar.h	2018/04/24 18:17:00	1.1.1.2
@@ -30,11 +30,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)signalvar.h	7.1 (Berkeley) 5/9/91
+ *	from: @(#)signalvar.h	7.1 (Berkeley) 5/9/91
+ *	signalvar.h,v 1.3 1993/05/20 16:23:07 cgd Exp
  */
 
-#ifndef	_SIGNALVAR_H_		/* tmp for user.h */
-#define	_SIGNALVAR_H_
+#ifndef _SYS_SIGNALVAR_H_
+#define _SYS_SIGNALVAR_H_
 
 /*
  * Kernel signal definitions and data structures,
@@ -163,4 +164,5 @@ int	coredump __P((struct proc *p));
  */
 void	sendsig __P((sig_t action, int sig, int returnmask, unsigned code));
 #endif	/* KERNEL */
-#endif	/* !_SIGNALVAR_H_ */
+
+#endif /* !_SYS_SIGNALVAR_H_ */