Provided by: manpages-posix-dev_2017a-2_all bug

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(), 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 .