The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.

#### NAME

> sys/utsname.h - system name structure

#### SYNOPSIS

> `#include <sys/utsname.h>`

#### DESCRIPTION

> The <sys/utsname.h> header shall define the structure utsname which shall include at least the following members:

>     char  sysname[]  Name of this implementation of the operating system.
>     char  nodename[] Name of this node within the communications
>                      network to which this node is attached, if any.
>     char  release[]  Current release level of this implementation.
>     char  version[]  Current version level of this release.
>     char  machine[]  Name of the hardware type on which the system is running.

> The character arrays are of unspecified size, but the data stored in them shall be terminated by a null byte.

> The following shall be declared as a function and may also be defined as a macro:

>     int uname(struct utsname *);

The following sections are informative.

#### APPLICATION USAGE

> None.

#### RATIONALE

> None.

#### FUTURE DIRECTIONS

> None.

#### SEE ALSO

> The System Interfaces volume of IEEE Std 1003.1-2001, uname()

#### CHANGE HISTORY

> First released in Issue 1. Derived from Issue 1 of the SVID.

#### Issue 6

> IEEE Std 1003.1-2001/Cor 2-2004, item XBD/TC2/D6/27 is applied, changing the description of nodename within the utsname structure from ``an implementation-defined communications network'' to ``the communications network to which this node is attached, if any''.

End of informative text.

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