--- Net2/sys/time.h	2018/04/24 18:03:58	1.1.1.1
+++ Net2/sys/time.h	2018/04/24 18:16:13	1.1.1.2
@@ -30,7 +30,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)time.h	7.6 (Berkeley) 2/22/91
+ *	from: @(#)time.h	7.6 (Berkeley) 2/22/91
+ *	time.h,v 1.3 1993/06/27 05:59:09 andrew Exp
  */
 
 #ifndef _SYS_TIME_H_
@@ -81,7 +82,13 @@ struct	itimerval {
 	struct	timeval it_value;	/* current value */
 };
 
-#ifndef KERNEL
+#ifdef KERNEL
+int	itimerfix __P((struct timeval *tv));
+int	itimerdecr __P((struct itimerval *itp, int usec));
+void	timevaladd __P((struct timeval *t1, struct timeval *t2));
+void	timevalsub __P((struct timeval *t1, struct timeval *t2));
+void	timevalfix __P((struct timeval *t1));
+#else
 #include <time.h>
 
 #ifndef _POSIX_SOURCE