diff --git a/sys/sys/systm.h b/sys/sys/systm.h
index 9bdb984fd3a6..8e6595d382a3 100644
--- a/sys/sys/systm.h
+++ b/sys/sys/systm.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: systm.h,v 1.99 1999/11/22 18:05:41 jdolecek Exp $	*/
+/*	$NetBSD: systm.h,v 1.100 1999/12/28 23:16:49 assar Exp $	*/
 
 /*-
  * Copyright (c) 1982, 1988, 1991, 1993
@@ -119,11 +119,12 @@ struct proc;
 struct tty;
 struct uio;
 
+typedef int	sy_call_t __P((struct proc *, void *, register_t *));
+
 extern struct sysent {		/* system call table */
 	short	sy_narg;	/* number of args */
 	short	sy_argsize;	/* total size of arguments */
-				/* implementing function */
-	int	(*sy_call) __P((struct proc *, void *, register_t *));
+	sy_call_t *sy_call;     /* implementing function */
 } sysent[];
 extern int nsysent;
 #if	BYTE_ORDER == BIG_ENDIAN