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 infor
mation identifying the current system into the structure referenced by
name.
The utsname structure is defined in the #include
<sys/utsname.h>
header file, and contains the following members:

sysname Name of the operating system implementa
tion.
nodename Network name of this machine.
release Release level of the operating system.
version Version level of the operating system.
machine Machine hardware platform.

RETURN VALUES

The uname() function returns the value 0 if successful; oth
erwise 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 functions sysctl(3).

SEE ALSO

uname(1), sysctl(3)

STANDARDS

The uname() function conforms to IEEE Std 1003.1-1988
(``POSIX.1'').

HISTORY

The uname() function first appeared in 4.4BSD.
BSD January 4, 1994
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