posix/sys/utsname.h

   1 /* Copyright (C) 1991, 1992, 1994, 1996 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 /*
  20  *      POSIX Standard: 4.4 System Identification       <sys/utsname.h>
  21  */
  22
  23 #ifndef _SYS_UTSNAME_H
  24
  25 #define _SYS_UTSNAME_H  1
  26 #include <features.h>
  27
  28 __BEGIN_DECLS
  29
  30 #include <utsnamelen.h>
  31 #ifndef _UTSNAME_NODENAME_LENGTH
  32 #define _UTSNAME_NODENAME_LENGTH _UTSNAME_LENGTH
  33 #endif
  34
  35 /* Structure describing the system and machine.  */
  36 struct utsname
  37   {
  38     /* Name of the implementation of the operating system.  */
  39     char sysname[_UTSNAME_LENGTH];
  40
  41     /* Name of this node on the network.  */
  42     char nodename[_UTSNAME_NODENAME_LENGTH];
  43
  44     /* Current release level of this implementation.  */
  45     char release[_UTSNAME_LENGTH];
  46     /* Current version level of this release.  */
  47     char version[_UTSNAME_LENGTH];
  48
  49     /* Name of the hardware type the system is running on.  */
  50     char machine[_UTSNAME_LENGTH];
  51
  52 #if _UTSNAME_DOMAIN_LENGTH - 0
  53     /* Name of the domain of this node on the network.  */
  54     char domainname[_UTSNAME_DOMAIN_LENGTH];
  55 #endif
  56   };
  57
  58 #ifdef __USE_SVID
  59 #define SYS_NMLN  _UTSNAME_LENGTH
  60 #endif
  61
  62
  63 /* Put information about the system in NAME.  */
  64 extern int uname __P ((struct utsname *__name));
  65
  66
  67 __END_DECLS
  68
  69 #endif /* sys/utsname.h  */