posix/sys/utsname.h

   1 /* Copyright (C) 1991,92,94,96,97,99,2002 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /*
  20  *      POSIX Standard: 4.4 System Identification       <sys/utsname.h>
  21  */
  22
  23 #ifndef _SYS_UTSNAME_H
  24 #define _SYS_UTSNAME_H  1
  25
  26 #include <features.h>
  27
  28 __BEGIN_DECLS
  29
  30 #include <bits/utsname.h>
  31
  32 #ifndef _UTSNAME_SYSNAME_LENGTH
  33 # define _UTSNAME_SYSNAME_LENGTH _UTSNAME_LENGTH
  34 #endif
  35 #ifndef _UTSNAME_NODENAME_LENGTH
  36 # define _UTSNAME_NODENAME_LENGTH _UTSNAME_LENGTH
  37 #endif
  38 #ifndef _UTSNAME_RELEASE_LENGTH
  39 # define _UTSNAME_RELEASE_LENGTH _UTSNAME_LENGTH
  40 #endif
  41 #ifndef _UTSNAME_VERSION_LENGTH
  42 # define _UTSNAME_VERSION_LENGTH _UTSNAME_LENGTH
  43 #endif
  44 #ifndef _UTSNAME_MACHINE_LENGTH
  45 # define _UTSNAME_MACHINE_LENGTH _UTSNAME_LENGTH
  46 #endif
  47
  48 /* Structure describing the system and machine.  */
  49 struct utsname
  50   {
  51     /* Name of the implementation of the operating system.  */
  52     char sysname[_UTSNAME_SYSNAME_LENGTH];
  53
  54     /* Name of this node on the network.  */
  55     char nodename[_UTSNAME_NODENAME_LENGTH];
  56
  57     /* Current release level of this implementation.  */
  58     char release[_UTSNAME_RELEASE_LENGTH];
  59     /* Current version level of this release.  */
  60     char version[_UTSNAME_VERSION_LENGTH];
  61
  62     /* Name of the hardware type the system is running on.  */
  63     char machine[_UTSNAME_MACHINE_LENGTH];
  64
  65 #if _UTSNAME_DOMAIN_LENGTH - 0
  66     /* Name of the domain of this node on the network.  */
  67 # ifdef __USE_GNU
  68     char domainname[_UTSNAME_DOMAIN_LENGTH];
  69 # else
  70     char __domainname[_UTSNAME_DOMAIN_LENGTH];
  71 # endif
  72 #endif
  73   };
  74
  75 #ifdef __USE_SVID
  76 /* Note that SVID assumes all members have the same size.  */
  77 # define SYS_NMLN  _UTSNAME_LENGTH
  78 #endif
  79
  80
  81 /* Put information about the system in NAME.  */
  82 extern int uname (struct utsname *__name) __THROW;
  83
  84
  85 __END_DECLS
  86
  87 #endif /* sys/utsname.h  */