1/* Copyright (C) 1996-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#ifndef _SYS_VM86_H
19
20#define _SYS_VM86_H	1
21#include <features.h>
22
23#ifdef __x86_64__
24# error This header is unsupported on x86-64.
25#else
26/* Get constants and data types from kernel header file.  */
27# include <asm/vm86.h>
28
29__BEGIN_DECLS
30
31/* Enter virtual 8086 mode.  */
32extern int vm86 (unsigned long int __subfunction,
33		 struct vm86plus_struct *__info) __THROW;
34
35__END_DECLS
36# endif
37
38#endif	/* _SYS_VM86_H */