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The Open Group Base Specifications Issue 7, 2018 edition
IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
Copyright © 2001-2018 IEEE and The Open Group

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

XSH 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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