1/* Copyright (C) 1991-2025 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/*
19 *	POSIX Standard: 4.4 System Identification	<sys/utsname.h>
20 */
21
22#ifndef	_SYS_UTSNAME_H
23#define	_SYS_UTSNAME_H	1
24
25#include <features.h>
26
27__BEGIN_DECLS
28
29#include <bits/utsname.h>
30
31#ifndef _UTSNAME_SYSNAME_LENGTH
32# define _UTSNAME_SYSNAME_LENGTH _UTSNAME_LENGTH
33#endif
34#ifndef _UTSNAME_NODENAME_LENGTH
35# define _UTSNAME_NODENAME_LENGTH _UTSNAME_LENGTH
36#endif
37#ifndef _UTSNAME_RELEASE_LENGTH
38# define _UTSNAME_RELEASE_LENGTH _UTSNAME_LENGTH
39#endif
40#ifndef _UTSNAME_VERSION_LENGTH
41# define _UTSNAME_VERSION_LENGTH _UTSNAME_LENGTH
42#endif
43#ifndef _UTSNAME_MACHINE_LENGTH
44# define _UTSNAME_MACHINE_LENGTH _UTSNAME_LENGTH
45#endif
46
47/* Structure describing the system and machine.  */
48struct utsname
49  {
50    /* Name of the implementation of the operating system.  */
51    char sysname[_UTSNAME_SYSNAME_LENGTH];
52
53    /* Name of this node on the network.  */
54    char nodename[_UTSNAME_NODENAME_LENGTH];
55
56    /* Current release level of this implementation.  */
57    char release[_UTSNAME_RELEASE_LENGTH];
58    /* Current version level of this release.  */
59    char version[_UTSNAME_VERSION_LENGTH];
60
61    /* Name of the hardware type the system is running on.  */
62    char machine[_UTSNAME_MACHINE_LENGTH];
63
64#if _UTSNAME_DOMAIN_LENGTH - 0
65    /* Name of the domain of this node on the network.  */
66# ifdef __USE_GNU
67    char domainname[_UTSNAME_DOMAIN_LENGTH];
68# else
69    char __domainname[_UTSNAME_DOMAIN_LENGTH];
70# endif
71#endif
72  };
73
74#ifdef __USE_MISC
75/* Note that SVID assumes all members have the same size.  */
76# define SYS_NMLN  _UTSNAME_LENGTH
77#endif
78
79
80/* Put information about the system in NAME.  */
81extern int uname (struct utsname *__name) __THROW;
82
83
84__END_DECLS
85
86#endif /* sys/utsname.h  */