sys_utsname.h(3)           POSIX Programmer's Manual          sys_utsname.h(3)



PROLOG
       This manual page is part of the POSIX Programmer's Manual.  The OS
       implementation of this interface may differ (consult the corresponding
       OS manual page for details of OS behavior), or the interface may not be
       implemented on OS.

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 POSIX.1-2017, uname()

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1-2017, Standard for Information Technology --
       Portable Operating System Interface (POSIX), The Open Group Base
       Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the
       Institute of Electrical and Electronics Engineers, Inc and The Open
       Group.  In the event of any discrepancy between this version and the
       original IEEE and The Open Group Standard, the original IEEE and The
       Open Group Standard is the referee document. The original Standard can
       be obtained online at http://www.opengroup.org/unix/online.html .

       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .



IEEE/The Open Group                  2017                     sys_utsname.h(3)
