1.\" $NetBSD: uname.3,v 1.3 1997/05/29 01:48:18 cgd 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 SYNOPSIS 43.Fd #include <sys/utsname.h> 44.Ft int 45.Fn uname "struct utsname *name" 46.Sh DESCRIPTION 47The 48.Fn uname 49function stores nul-terminated strings of information identifying 50the current system into the structure referenced by 51.Fa name . 52.Pp 53The 54.Li utsname 55structure is defined in the 56.Li <sys/utsname.h> 57header file, and contains the following members: 58.Bl -tag -width nodenameXXXX -offset indent 59.It sysname 60Name of the operating system implementation. 61.It nodename 62Network name of this machine. 63.It release 64Release level of the operating system. 65.It version 66Version level of the operating system. 67.It machine 68Machine hardware platform. 69.El 70.Sh RETURN VALUES 71If 72.Nm uname 73is successful, 0 is returned, otherwise, -1 is returned and 74.Va errno 75is set appropriately. 76.Sh ERRORS 77The 78.Fn uname 79function may fail and set 80.Va errno 81for any of the errors specified for the library functions 82.Xr sysctl 3 . 83.Sh SEE ALSO 84.Xr uname 1 , 85.Xr sysctl 3 86.Sh STANDARDS 87The 88.Fn uname 89function conforms to 90.St -p1003.1-88 . 91.Sh HISTORY 92The 93.Nm uname 94function first appeared in 4.4BSD. 95