| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- .\" Copyright (c) 1994, 1996, 1997
- .\" The Regents of the University of California. All rights reserved.
- .\"
- .\" Redistribution and use in source and binary forms, with or without
- .\" modification, are permitted provided that: (1) source code distributions
- .\" retain the above copyright notice and this paragraph in its entirety, (2)
- .\" distributions including binary code include the above copyright notice and
- .\" this paragraph in its entirety in the documentation or other materials
- .\" provided with the distribution, and (3) all advertising materials mentioning
- .\" features or use of this software display the following acknowledgement:
- .\" ``This product includes software developed by the University of California,
- .\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- .\" the University nor the names of its contributors may be used to endorse
- .\" or promote products derived from this software without specific prior
- .\" written permission.
- .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- .\"
- .TH PCAP_FILENO 3PCAP "7 April 2014"
- .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
- If
- .I p
- refers to a network device that was opened for a live capture using
- a combination of
- .B pcap_create()
- and
- .BR pcap_activate() ,
- or using
- .BR pcap_open_live() ,
- .B pcap_fileno()
- returns the file descriptor from which captured packets are read.
- .LP
- If
- .I p
- refers to a ``savefile'' that was opened using functions such as
- .BR pcap_open_offline()
- or
- .BR pcap_fopen_offline() ,
- a ``dead''
- .B pcap_t
- opened using
- .BR pcap_open_dead() ,
- or a
- .B pcap_t
- that was created with
- .B pcap_create()
- but that has not yet been activated with
- .BR pcap_activate() ,
- it returns \-1.
- .SH SEE ALSO
- pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
- pcap_open_live(3PCAP), pcap_open_offline(3PCAP),
- \%pcap_fopen_offline(3PCAP), pcap_open_dead(3PCAP)
|
