1 .\" @(#) $Header: /tcpdump/master/libpcap/pcap_fileno.3pcap,v 1.3 2008-04-06 02:53:22 guy Exp $
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22 .TH PCAP_FILENO 3PCAP "5 April 2008"
24 pcap_fileno \- get the file descriptor for a live capture
28 #include <pcap/pcap.h>
32 int pcap_fileno(pcap_t *p);
38 refers to a network device that was opened for a live capture using
44 .BR pcap_open_live() ,
46 returns the file descriptor from which captured packets are read.
50 refers to a ``savefile'' that was opened using functions such as
51 .BR pcap_open_offline()
53 .BR pcap_fopen_offline() ,
57 .BR pcap_open_dead() ,
62 but that has not yet been activated with
66 pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
67 pcap_open_live(3PCAP), pcap_open_offline(3PCAP),
68 pcap_fopen_offline(3PCAP), pcap_open_dead(3PCAP)