IF_FREENAMEINDEX - Online Linux Manual PageSection : 3P
Updated : 2017
Source : IEEE/The Open Group
Note : POSIX Programmer's Manual

PROLOGThis 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.

NAMEif_freenameindex — free memory allocated by if_nameindex

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

DESCRIPTIONThe 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 VALUENone.

ERRORSNo errors are defined. The following sections are informative.

EXAMPLESNone.

APPLICATION USAGENone.

RATIONALENone.

FUTURE DIRECTIONSNone.

SEE ALSOgetsockopt(), if_indextoname(), if_nameindex(), if_nametoindex(), setsockopt() The Base Definitions volume of POSIX.1‐2017, <net_if.h>

COPYRIGHTPortions 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 .
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