freebsd-dev/contrib/libpcap/pcap_fileno.3pcap
2009-03-21 22:58:08 +00:00

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.TH PCAP_FILENO 3PCAP "5 April 2008"
.SH NAME
pcap_fileno \- get the file descriptor for a live capture
.SH SYNOPSIS
.nf
.ft B
#include <pcap/pcap.h>
.ft
.LP
.ft B
int pcap_fileno(pcap_t *p);
.ft
.fi
.SH DESCRIPTION
.B pcap_fileno()
returns the file descriptor number from which captured packets are read,
if a network device was opened with
.B pcap_create()
and
.B pcap_activate()
or with
.BR pcap_open_live() ,
or \-1, if a ``savefile'' was opened with
.BR pcap_open_offline() .
.SH SEE ALSO
pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP)