pcap_fileno(3) pcap_fileno(3)
NAME
pcap_fileno - get the file descriptor for a live capture
SYNOPSIS
#include <pcap/pcap.h>
pcap_fileno(3) *p);
DESCRIPTION
If p refers to a network device that was opened for a live capture
using a combination of pcap_create() and pcap_activate(), or using
pcap_fileno(3) returns the file descriptor from which
captured packets are read.
If p refers to a ``savefile'' that was opened using functions such as
pcap_open_offline() or pcap_fopen_offline(), a ``dead'' pcap_t opened
using pcap_open_dead(), or a pcap_t that was created with pcap_create()
but that has not yet been activated with pcap_activate(), it returns
-1.
SEE ALSO
pcap(3), pcap_create(3), pcap_activate(3),
pcap_open_live(3), pcap_open_offline(3),
pcap_fopen_offline(3), pcap_open_dead(3)
7 April 2014 pcap_fileno(3)
libpcap 1.9.0 - Generated Sat Jul 28 15:51:03 CDT 2018