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20 .TH PCAP_DUMP_OPEN 3PCAP "5 April 2008"
22 pcap_dump_open, pcap_dump_fopen \- open a file to which to write packets
26 #include <pcap/pcap.h>
31 pcap_dumper_t *pcap_dump_open(pcap_t *p, const char *fname);
32 pcap_dumper_t *pcap_dump_fopen(pcap_t *p, FILE *fp);
37 is called to open a ``savefile'' for writing.
39 specifies the name of the file to open. The file will have
40 the same format as those used by
44 The name "-" is a synonym
49 is called to write data to an existing open stream
51 Note that on Windows, that stream should be opened in binary mode.
54 is a capture or ``savefile'' handle returned by an earlier call to
56 and activated by an earlier call to
58 or returned by an earlier call to
59 .BR pcap_open_offline() ,
60 .BR pcap_open_live() ,
62 .BR pcap_open_dead() .
63 The link-layer type and snapshot length from
65 are used as the link-layer type and snapshot length of the output file.
69 structure to use in subsequent
73 calls is returned on success.
75 is returned on failure.
79 .B pcap_geterr(\fIp\fB)
80 can be used to get the error text.
82 pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
83 pcap_open_offline(3PCAP), pcap_open_live(3PCAP), pcap_open_dead(3PCAP),
84 pcap_dump(3PCAP), pcap_dump_close(3PCAP), pcap_geterr(3PCAP),
85 pcap-savefile(@MAN_FILE_FORMATS@)