if_freenameindex3p
Free memory allocated by if_nameindex
Usage
#include <net/if.h>
void if_freenameindex(struct if_nameindex *ptr);
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.
Overview
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.