IF_FREENAMEINDEX(3)        POSIX Programmer's Manual       IF_FREENAMEINDEX(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
       if_freenameindex -- free memory allocated by if_nameindex

SYNOPSIS
       #include <net/if.h>

       void if_freenameindex(struct if_nameindex *ptr);

DESCRIPTION
       The if__freenameindex() function shall free the memory allocated by
       if__nameindex().  The ptr argument shall be a pointer that was returned
       by if__nameindex().  After if__freenameindex() has been called, the
       application shall not use the array of which ptr is the address.

RETURN VALUE
       None.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       getsockopt(), if__indextoname(), if__nameindex(), if__nametoindex(),
       setsockopt()

       The Base Definitions volume of POSIX.1-2017, <net_if.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                  IF_FREENAMEINDEX(3)
