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PCAP_FILENO
Section: Misc. Reference Manual Pages (3PCAP) Updated: 25 July 2018 Index
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NAME
pcap_fileno - get the file descriptor for a live capture
SYNOPSIS
#include <pcap/pcap.h>
int pcap_fileno(pcap_t *p);
DESCRIPTION
If
p
refers to a network device that was opened for a live capture using
a combination of
pcap_create(3PCAP)
and
pcap_activate(3PCAP),
or using
pcap_open_live(3PCAP),
pcap_fileno()
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(3PCAP)
or
pcap_fopen_offline(3PCAP),
a ``dead''
pcap_t
opened using
pcap_open_dead(3PCAP),
or a
pcap_t
that was created with
pcap_create()
but that has not yet been activated with
pcap_activate(),
it returns
PCAP_ERROR.
SEE ALSO
pcap(3PCAP)
Index
- NAME
-
- SYNOPSIS
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- DESCRIPTION
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- SEE ALSO
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