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\"      @(#)uname.3     8.1 (Berkeley) 1/4/94
\"
Dd June 14, 2014
Dt UNAME 3
Os
Sh NAME
Nm uname
Nd get system identification
Sh LIBRARY
Lb libc
Sh SYNOPSIS
In sys/utsname.h
Ft int
Fn uname "struct utsname *name"
Sh DESCRIPTION
The
Fn uname
function stores nul-terminated strings of information identifying
the current system into the structure referenced by
Fa name .
Pp
The
Em utsname
structure is defined in the
In sys/utsname.h
header file, and contains the following members:
Bl -tag -width nodenameXXXX -offset indent
It Va sysname
Name of the operating system implementation.
Equivalent to the
Xr sysctl 7
Va kern.ostype
variable.
It Va nodename
Network name of this machine.
Equivalent to the
Xr sysctl 7
Va kern.hostname
variable.
It Va release
Release level of the operating system.
Equivalent to the
Xr sysctl 7
Va kern.osrelease
variable.
It Va version
Version level of the operating system.
Equivalent to the
Xr sysctl 7
Va kern.version
variable, except that very long values are truncated,
and newlines are converted to spaces.
It Va machine
Machine hardware platform.
Equivalent to the
Xr sysctl 7
Va hw.machine
variable.
El
Sh RETURN VALUES
If
Nm uname
is successful, 0 is returned, otherwise, \-1 is returned and
Va errno
is set appropriately.
Sh ERRORS
The
Fn uname
function may fail and set
Va errno
for any of the errors specified for the library functions
Xr sysctl 3 .
Sh SEE ALSO
Xr uname 1 ,
Xr sysctl 3
Sh STANDARDS
The
Fn uname
function conforms to
St -p1003.1-90 .
Sh HISTORY
The
Nm uname
function first appeared in
Bx 4.4 .