diff --git a/sys/arch/powerpc/powerpc/subyte.c b/sys/arch/powerpc/powerpc/subyte.c
index df71a0cdbac9..3f448059ecfb 100644
--- a/sys/arch/powerpc/powerpc/subyte.c
+++ b/sys/arch/powerpc/powerpc/subyte.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: subyte.c,v 1.1 1996/09/30 16:34:54 ws Exp $	*/
+/*	$NetBSD: subyte.c,v 1.2 2000/06/09 14:05:47 kleink Exp $	*/
 
 /*-
  * Copyright (C) 1993 Wolfgang Solfrank.
@@ -31,13 +31,16 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <sys/systm.h>
+
 /*
  * Emulate subyte.
  */
+
 int
 subyte(addr,c)
-char *addr;
-unsigned char c;
+	void *addr;
+	unsigned char c;
 {
 	if (copyout(&c,addr,sizeof(c)))
 		return -1;
diff --git a/sys/arch/powerpc/powerpc/suswintr.c b/sys/arch/powerpc/powerpc/suswintr.c
index 87066604db87..2f91768f6789 100644
--- a/sys/arch/powerpc/powerpc/suswintr.c
+++ b/sys/arch/powerpc/powerpc/suswintr.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: suswintr.c,v 1.1 1996/09/30 16:34:54 ws Exp $	*/
+/*	$NetBSD: suswintr.c,v 1.2 2000/06/09 14:05:48 kleink Exp $	*/
 
 /*-
  * Copyright (C) 1994 Wolfgang Solfrank.
@@ -31,6 +31,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <sys/systm.h>
+
 /*
  * Emulate suswintr
  *
@@ -38,8 +40,8 @@
  */
 int
 suswintr(addr,s)
-	char *addr;
-	unsigned short s;
+	void *addr;
+	short s;
 {
 	return -1;
 }
diff --git a/sys/arch/powerpc/powerpc/suword.c b/sys/arch/powerpc/powerpc/suword.c
index a4ba796d61a4..4141e54c2576 100644
--- a/sys/arch/powerpc/powerpc/suword.c
+++ b/sys/arch/powerpc/powerpc/suword.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: suword.c,v 1.1 1996/09/30 16:34:55 ws Exp $	*/
+/*	$NetBSD: suword.c,v 1.2 2000/06/09 14:05:49 kleink Exp $	*/
 
 /*-
  * Copyright (C) 1993 Wolfgang Solfrank.
@@ -31,13 +31,15 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <sys/systm.h>
+
 /*
  * Emulate suword
  */
 int
 suword(addr,l)
-char *addr;
-unsigned long l;
+	void *addr;
+	long l;
 {
 	if (copyout(&l,addr,sizeof(l)))
 		return -1;