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Command: uname | Section: 3 | Source: NetBSD | File: uname.3
UNAME(3) FreeBSD Library Functions Manual UNAME(3)
NAME
uname - get system identification
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/utsname.h>
int
uname(struct utsname *name);
DESCRIPTION
The uname() function stores nul-terminated strings of information
identifying the current system into the structure referenced by name.
The utsname structure is defined in the <sys/utsname.h> header file, and
contains the following members:
sysname Name of the operating system implementation.
Equivalent to the sysctl(7) kern.ostype variable.
nodename Network name of this machine. Equivalent to the
sysctl(7) kern.hostname variable.
release Release level of the operating system. Equivalent to
the sysctl(7) kern.osrelease variable.
version Version level of the operating system. Equivalent to
the sysctl(7) kern.version variable, except that very
long values are truncated, and newlines are converted
to spaces.
machine Machine hardware platform. Equivalent to the
sysctl(7) hw.machine variable.
RETURN VALUES
If uname is successful, 0 is returned, otherwise, -1 is returned and
errno is set appropriately.
ERRORS
The uname() function may fail and set errno for any of the errors
specified for the library functions sysctl(3).
SEE ALSO
uname(1), sysctl(3)
STANDARDS
The uname() function conforms to IEEE Std 1003.1-1990 ("POSIX.1").
HISTORY
The uname function first appeared in 4.4BSD.
FreeBSD 14.1-RELEASE-p8 June 14, 2014 FreeBSD 14.1-RELEASE-p8