text: /*	$NetBSD: compat_util.h,v 1.3 1997/10/10 01:47:01 fvdl Exp $	*/
  
  /*
   * Copyright (c) 1994 Christos Zoulas
   * Copyright (c) 1995 Frank van der Linden
   * 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.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission
   *
   * 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.
   *
   */
  
  #ifndef	_COMPAT_UTIL_H_
  #define	_COMPAT_UTIL_H_
  
  struct emul;
  struct proc;
  
  caddr_t	stackgap_init __P((struct emul *));
  void	*stackgap_alloc __P((caddr_t *, size_t));
  
  int emul_find __P((struct proc *, caddr_t *, const char *, char *,
  		   char **, int));
  
  void compat_offseterr __P((struct vnode *, char *msg));
  
  #define CHECK_ALT_EXIST(p, sgp, root, path) \
      emul_find(p, sgp, root, path, &(path), 0)
  
  #define CHECK_ALT_CREAT(p, sgp, root, path) \
      emul_find(p, sgp, root, path, &(path), 1)
  
  #endif /* !_COMPAT_UTIL_H_ */
  