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.TH PCAP_FILE 3PCAP "3 January 2014"

.SH NAME

pcap_file \- get the standard I/O stream for a savefile being read

.SH SYNOPSIS

.nf

.ft B

#include <pcap/pcap.h>

.ft

.LP

.ft B

FILE *pcap_file(pcap_t *p);

.ft

.fi

.SH DESCRIPTION

.B pcap_file()

returns the standard I/O stream of the ``savefile,'' if a ``savefile''

was opened with

.BR pcap_open_offline(3PCAP) ,

or

.BR NULL ,

if a network device was opened with

.B pcap_create(3PCAP)

and

.BR \%pcap_activate(3PCAP) ,

or with

.BR pcap_open_live(3PCAP) .

.PP

Note that the Packet Capture library is usually built with large file

support, so the standard I/O stream of the ``savefile'' might refer to

a file larger than 2 gigabytes; applications that use

.B pcap_file()

should, if possible, use calls that support large files on the return

value of

.B pcap_file()

or the value returned by

.B fileno(3)

when passed the return value of

.BR pcap_file() .

.SH SEE ALSO

pcap(3PCAP)