Manpages - if_freenameindex.3p

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.

if_freenameindex — free memory allocated by if_nameindex

  #include <net/if.h>
  void if_freenameindex(struct if_nameindex *ptr);

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.

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No errors are defined.

The following sections are informative.

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/getsockopt ( )/, /if_indextoname ( )/, /if_nameindex ( )/, /if_nametoindex ( )/, /setsockopt ( )/

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

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 .

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