1/* Copyright (C) 1991-2020 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 */
87