utsname.h revision edb432dd16be68a2fea50d9a0a1e839f16c6bc65
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_UTSNAME_H
#define _SYS_UTSNAME_H
#include <sys/feature_tests.h>
#ifdef __cplusplus
extern "C" {
#endif
#define _SYS_NMLN 257 /* 4.0 size of utsname elements */
/* Must be at least 257 to */
/* support Internet hostnames. */
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
#ifndef SYS_NMLN
#define SYS_NMLN _SYS_NMLN
#endif
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
struct utsname {
char sysname[_SYS_NMLN];
char nodename[_SYS_NMLN];
char release[_SYS_NMLN];
char version[_SYS_NMLN];
char machine[_SYS_NMLN];
};
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
extern struct utsname utsname;
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
#if !defined(_KERNEL)
#if defined(__i386) && !defined(__amd64)
#if defined(__STDC__)
extern int uname(struct utsname *);
extern int _uname(struct utsname *);
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
extern int nuname(struct utsname *);
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
extern int _nuname(struct utsname *);
#else /* defined(__STDC__) */
extern int uname();
extern int _uname();
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
extern int nuname();
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
extern int _nuname();
#endif /* defined(__STDC__) */
/*
* On i386 in SVID.2 uname() returns a utsname structure with 8 byte members,
* and nuname() returns the real struct utsname. In SVID.3 uname and nuname
* are equivalent. Anyone who includes this header gets the SVID.3 behaviour.
* The SVID.2 behaviour exists solely for compatibility, and is what is
* implemented by the libc uname/_uname entrypoints.
*/
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname uname _nuname
#pragma redefine_extname _uname _nuname
#else
#define uname _nuname
#define _uname _nuname
#endif
#else /* defined(__i386) */
#if defined(__STDC__)
extern int uname(struct utsname *);
#else
extern int uname();
#endif /* (__STDC__) */
#endif /* defined(__i386) */
#else /* !(_KERNEL) */
/*
* Routine to retrieve the nodename as seen in the current process's zone.
*/
extern char *uts_nodename(void);
#endif /* !(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_UTSNAME_H */