The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/sys/utsname.h


$ cat -n /usr/include/x86_64-linux-gnu/sys/utsname.h

     1	/* Copyright (C) 1991-2024 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  */