1 /* Copyright (C) 1991-2022 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. */ 48 struct 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. */ 81 extern int uname (struct utsname *__name) __THROW; 82 83 84 __END_DECLS 85 86 #endif /* sys/utsname.h */ 87