PROLOG

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

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 .