diff --git a/sbin/fsck/fsutil.h b/sbin/fsck/fsutil.h
index 8bb9ddb90d6e..e65f5ddecb01 100644
--- a/sbin/fsck/fsutil.h
+++ b/sbin/fsck/fsutil.h
@@ -1,51 +1,52 @@
 /*	$NetBSD: fsutil.h,v 1.114 2009/10/21 01:07:46 snj Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 1996 Christos Zoulas.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
+struct fstab;
 int checkfstab(int, int (*)(struct fstab *), 
     int (*) (const char *, const char *, const char *, const char *, pid_t *));
 int getfsopt(struct fstab *, const char *);
 void pfatal(const char *, ...) __printflike(1, 2);
 void pwarn(const char *, ...) __printflike(1, 2);
 void perr(const char *, ...) __printflike(1, 2);
 void panic(const char *, ...) __dead2 __printflike(1, 2);
 const char *devcheck(const char *);
 const char *cdevname(void);
 void setcdevname(const char *, int);
 struct statfs *getmntpt(const char *);
 void *emalloc(size_t);
 void *erealloc(void *, size_t);
 char *estrdup(const char *);
 
 #define	CHECK_PREEN	0x0001
 #define	CHECK_VERBOSE	0x0002
 #define	CHECK_DEBUG	0x0004
 #define	CHECK_BACKGRD	0x0008
 #define	DO_BACKGRD	0x0010
 #define	CHECK_CLEAN	0x0020