fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
118 lines
3.1 KiB
Groff
118 lines
3.1 KiB
Groff
.\" Copyright (c) 1994
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)uname.3 8.1 (Berkeley) 1/4/94
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.\" $FreeBSD$
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.\"
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.Dd December 2, 2005
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.Dt UNAME 3
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.Os
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.Sh NAME
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.Nm uname
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.Nd get system identification
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In sys/utsname.h
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.Ft int
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.Fn uname "struct utsname *name"
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.Sh DESCRIPTION
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The
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.Fn uname
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function stores
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.Dv NUL Ns -terminated
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strings of information identifying
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the current system into the structure referenced by
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.Fa name .
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.Pp
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The
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.Vt utsname
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structure is defined in the
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.In sys/utsname.h
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header file, and contains the following members:
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.Bl -tag -width nodenameXXXX -offset indent
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.It sysname
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Name of the operating system implementation.
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.It nodename
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Network name of this machine.
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.It release
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Release level of the operating system.
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.It version
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Version level of the operating system.
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.It machine
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Machine hardware platform.
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.El
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.Sh RETURN VALUES
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.Rv -std uname
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.Sh ENVIRONMENT
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.Bl -tag -width ".Ev UNAME_s"
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.It Ev UNAME_s
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If the environment variable
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.Ev UNAME_s
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is set, it will override the
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.Va sysname
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member.
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.It Ev UNAME_r
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If the environment variable
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.Ev UNAME_r
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is set, it will override the
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.Va release
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member.
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.It Ev UNAME_v
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If the environment variable
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.Ev UNAME_v
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is set, it will override the
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.Va version
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member.
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.It Ev UNAME_m
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If the environment variable
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.Ev UNAME_m
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is set, it will override the
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.Va machine
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member.
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.El
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.Sh ERRORS
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The
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.Fn uname
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function may fail and set
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.Va errno
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for any of the errors specified for the library functions
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.Xr sysctl 3 .
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.Sh SEE ALSO
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.Xr uname 1 ,
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.Xr sysctl 3
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.Sh STANDARDS
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The
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.Fn uname
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function conforms to
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.St -p1003.1-88 .
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.Sh HISTORY
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The
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.Fn uname
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function first appeared in
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.Bx 4.4 .
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