1.\" $NetBSD: uname.3,v 1.7 2002/02/07 07:00:18 ross Exp $ 2.\" 3.\" Copyright (c) 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)uname.3 8.1 (Berkeley) 1/4/94 35.\" 36.Dd January 4, 1994 37.Dt UNAME 3 38.Os 39.Sh NAME 40.Nm uname 41.Nd get system identification 42.Sh LIBRARY 43.Lb libc 44.Sh SYNOPSIS 45.Fd #include \*[Lt]sys/utsname.h\*[Gt] 46.Ft int 47.Fn uname "struct utsname *name" 48.Sh DESCRIPTION 49The 50.Fn uname 51function stores nul-terminated strings of information identifying 52the current system into the structure referenced by 53.Fa name . 54.Pp 55The 56.Li utsname 57structure is defined in the 58.Li \*[Lt]sys/utsname.h\*[Gt] 59header file, and contains the following members: 60.Bl -tag -width nodenameXXXX -offset indent 61.It sysname 62Name of the operating system implementation. 63.It nodename 64Network name of this machine. 65.It release 66Release level of the operating system. 67.It version 68Version level of the operating system. 69.It machine 70Machine hardware platform. 71.El 72.Sh RETURN VALUES 73If 74.Nm uname 75is successful, 0 is returned, otherwise, -1 is returned and 76.Va errno 77is set appropriately. 78.Sh ERRORS 79The 80.Fn uname 81function may fail and set 82.Va errno 83for any of the errors specified for the library functions 84.Xr sysctl 3 . 85.Sh SEE ALSO 86.Xr uname 1 , 87.Xr sysctl 3 88.Sh STANDARDS 89The 90.Fn uname 91function conforms to 92.St -p1003.1-90 . 93.Sh HISTORY 94The 95.Nm uname 96function first appeared in 97.Bx 4.4 . 98