diff --git a/sys/sys/disklabel.h b/sys/sys/disklabel.h
index 4e4b4aa571b9..a99167139a99 100644
--- a/sys/sys/disklabel.h
+++ b/sys/sys/disklabel.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)disklabel.h	8.1 (Berkeley) 6/2/93
- * $Id: disklabel.h,v 1.7 1994/10/31 06:31:14 phk Exp $
+ * $Id: disklabel.h,v 1.9 1994/12/11 23:20:41 bde Exp $
  */
 
 #ifndef _SYS_DISKLABEL_H_
@@ -412,6 +412,8 @@ extern struct dos_partition dos_partitions[NDOSPART];
 
 char	*correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
 				    struct disklabel *lp));
+int	correct_writedisklabel __P((dev_t dev, d_strategy_t *strat,
+				    struct disklabel *lp));
 void	diskerr __P((struct buf *bp, char *dname, char *what, int pri,
 		     int blkdone, struct disklabel *lp));
 void	disksort __P((struct buf *ap, struct buf *bp));
diff --git a/sys/sys/diskmbr.h b/sys/sys/diskmbr.h
index 4e4b4aa571b9..a99167139a99 100644
--- a/sys/sys/diskmbr.h
+++ b/sys/sys/diskmbr.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)disklabel.h	8.1 (Berkeley) 6/2/93
- * $Id: disklabel.h,v 1.7 1994/10/31 06:31:14 phk Exp $
+ * $Id: disklabel.h,v 1.9 1994/12/11 23:20:41 bde Exp $
  */
 
 #ifndef _SYS_DISKLABEL_H_
@@ -412,6 +412,8 @@ extern struct dos_partition dos_partitions[NDOSPART];
 
 char	*correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
 				    struct disklabel *lp));
+int	correct_writedisklabel __P((dev_t dev, d_strategy_t *strat,
+				    struct disklabel *lp));
 void	diskerr __P((struct buf *bp, char *dname, char *what, int pri,
 		     int blkdone, struct disklabel *lp));
 void	disksort __P((struct buf *ap, struct buf *bp));
diff --git a/sys/sys/diskpc98.h b/sys/sys/diskpc98.h
index 4e4b4aa571b9..a99167139a99 100644
--- a/sys/sys/diskpc98.h
+++ b/sys/sys/diskpc98.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)disklabel.h	8.1 (Berkeley) 6/2/93
- * $Id: disklabel.h,v 1.7 1994/10/31 06:31:14 phk Exp $
+ * $Id: disklabel.h,v 1.9 1994/12/11 23:20:41 bde Exp $
  */
 
 #ifndef _SYS_DISKLABEL_H_
@@ -412,6 +412,8 @@ extern struct dos_partition dos_partitions[NDOSPART];
 
 char	*correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
 				    struct disklabel *lp));
+int	correct_writedisklabel __P((dev_t dev, d_strategy_t *strat,
+				    struct disklabel *lp));
 void	diskerr __P((struct buf *bp, char *dname, char *what, int pri,
 		     int blkdone, struct disklabel *lp));
 void	disksort __P((struct buf *ap, struct buf *bp));
diff --git a/sys/sys/diskslice.h b/sys/sys/diskslice.h
index eb0d06f915d6..1ab768cc288c 100644
--- a/sys/sys/diskslice.h
+++ b/sys/sys/diskslice.h
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id$
+ *	$Id: diskslice.h,v 1.3 1995/02/16 13:35:21 bde Exp $
  */
 
 #ifndef _SYS_DISKSLICE_H_
@@ -73,6 +73,8 @@ int	dsioctl __P((dev_t dev, int cmd, caddr_t data, int flags,
 		     struct diskslices *ssp, d_strategy_t *strat,
 		     ds_setgeom_t *setgeom));
 int	dsisopen __P((struct diskslices *ssp));
+char	*dsname __P((char *dname, int unit, int slice, int part,
+		     char *partname));
 int	dsopen __P((char *dname, dev_t dev, int mode, struct diskslices **sspp,
 		    struct disklabel *lp, d_strategy_t *strat,
 		    ds_setgeom_t *setgeom));