Manpages - pcap_file.3pcap

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)