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IF_FREENAMEINDEX(3P)       POSIX Programmer's Manual      IF_FREENAMEINDEX(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
       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(), set-
       sockopt()
       The Base Definitions volume of POSIX.1-2008, <net_if.h>
COPYRIGHT
       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri-
       cal and Electronics Engineers,  Inc  and  The  Open  Group.   (This  is
       POSIX.1-2008  with  the  2013  Technical Corrigendum 1 applied.) 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.unix.org/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.ker-
       nel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group                  2013                 IF_FREENAMEINDEX(3P)