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

#include <pcap/pcap.h>

FILE *pcap_file(pcap_t *p);

pcap_file () returns the standard I/O stream of the ``savefile,'' if a ``savefile'' was opened with pcap_open_offline (3PCAP), or NULL , if a network device was opened with pcap_create (3PCAP) and \%pcap_activate (3PCAP), or with pcap_open_live (3PCAP).

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 pcap_file () should, if possible, use calls that support large files on the return value of pcap_file () or the value returned by fileno (3) when passed the return value of pcap_file ().

pcap (3PCAP)