pcap_fopen_offline man page on FreeBSD

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PCAP_OPEN_OFFLINE(3)					  PCAP_OPEN_OFFLINE(3)

NAME
       pcap_open_offline,  pcap_fopen_offline  - open a saved capture file for
       reading

SYNOPSIS
       #include <pcap/pcap.h>

       char errbuf[PCAP_ERRBUF_SIZE];

       pcap_t *pcap_open_offline(const char *fname, char *errbuf);
       pcap_t *pcap_fopen_offline(FILE *fp, char *errbuf);

DESCRIPTION
       pcap_open_offline() is called to open a ``savefile'' for reading.

       fname specifies the name of the file to open. The  file	has  the  same
       format  as those used by tcpdump(1) and tcpslice(1).  The name "-" in a
       synonym for stdin.

       Alternatively, you may call pcap_fopen_offline() to  read  dumped  data
       from  an	 existing  open	 stream fp.  Note that on Windows, that stream
       should be opened in binary mode.

RETURN VALUE
       pcap_open_offline() and pcap_fopen_offline() return a pcap_t * on  suc‐
       cess  and  NULL	on  failure.  If NULL is returned, errbuf is filled in
       with an appropriate error message.  errbuf is assumed  to  be  able  to
       hold at least PCAP_ERRBUF_SIZE chars.

SEE ALSO
       pcap(3), pcap-savefile(5)

				 5 April 2008		  PCAP_OPEN_OFFLINE(3)
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