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. The if_freenameindex() function shall not modify errno if ptr was previously returned by if_nameindex() and not yet freed.

RETURN VALUE

None.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

getsockopt, if_indextoname, if_nameindex, if_nametoindex, setsockopt

XBD <net/if.h>

CHANGE HISTORY

First released in Issue 6. Derived from the XNS, Issue 5.2 specification.

Issue 8

Austin Group Defect 385 is applied, adding a requirement that if_freenameindex() does not modify errno when passed a pointer to an if_nameindex structure than can be freed.