gethostid

GETHOSTID(3P)               POSIX Programmer's Manual              GETHOSTID(3P)



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
       gethostid — get an identifier for the current host

SYNOPSIS
       #include <unistd.h>

       long gethostid(void);

DESCRIPTION
       The gethostid() function shall retrieve a 32-bit identifier for the
       current host.

RETURN VALUE
       Upon successful completion, gethostid() shall return an identifier for
       the current host.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       This volume of POSIX.1‐2017 does not define the domain in which the
       return value is unique.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       initstate()

       The Base Definitions volume of POSIX.1‐2017, <unistd.h>

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                         GETHOSTID(3P)