pcap_fileno Subroutine

Purpose

Obtains the descriptor for the packet capture device.

Library

pcap Library (libpcap.a)

Syntax

#include <pcap.h> int pcap_fileno(pcap_t * p);

Description

The pcap_fileno subroutine returns the descriptor for the packet capture device. This subroutine should be called only after a successful call to the pcap_open_live subroutine and before any calls to the pcap_close subroutine.

Parameters

Item	Description
p	Points to a packet capture descriptor as returned by the pcap_open_live subroutine.

Return Values

The pcap_fileno subroutine returns the descriptor for the packet capture device.