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Command: uname | Section: 3 | Source: OpenBSD | File: uname.3
UNAME(3) FreeBSD Library Functions Manual UNAME(3)
NAME
uname - get system identification
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.
nodename Network name of this machine.
release Release level of the operating system.
version Version level of the operating system.
machine Machine hardware platform.
These are the same strings that can be displayed with uname(1). Because
their format and meaning depends on the operating system, trying to parse
or interpret them is discouraged in portable code. The only reasonable
way an application program can use them is for displaying them to the
user.
RETURN VALUES
The uname() function returns a non-negative value if successful;
otherwise the value -1 is returned and the global variable errno is set
to indicate the error.
ERRORS
The uname() function may fail and set errno for any of the errors
specified for the library function sysctl(2).
SEE ALSO
uname(1), sysctl(2)
STANDARDS
The uname() function conforms to IEEE Std 1003.1-1988 ("POSIX.1").
HISTORY
The uname() function first appeared in PWB/UNIX 1.0 and was reimplemented
for 4.4BSD.
FreeBSD 14.1-RELEASE-p8 October 9, 2023 FreeBSD 14.1-RELEASE-p8