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22 .TH PCAP_DUMP_OPEN 3PCAP "5 April 2008"
24 pcap_dump_open, pcap_dump_fopen \- open a file to which to write packets
28 #include <pcap/pcap.h>
33 pcap_dumper_t *pcap_dump_open(pcap_t *p, const char *fname);
34 pcap_dumper_t *pcap_dump_fopen(pcap_t *p, FILE *fp);
39 is called to open a ``savefile'' for writing.
41 specifies the name of the file to open. The file will have
42 the same format as those used by
46 The name "-" in a synonym
51 is called to write data to an existing open stream
53 Note that on Windows, that stream should be opened in binary mode.
56 is a capture or ``savefile'' handle returned by an earlier call to
58 and activated by an earlier call to
60 or returned by an earlier call to
61 .BR pcap_open_offline() ,
62 .BR pcap_open_live() ,
64 .BR pcap_open_dead() .
65 The link-layer type and snapshot length from
67 are used as the link-layer type and snapshot length of the output file.
71 structure to use in subsequent
75 calls is returned on success.
77 is returned on failure.
81 .B pcap_geterr(\fIp\fB)
82 can be used to get the error text.
84 pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
85 pcap_open_offline(3PCAP), pcap_open_live(3PCAP), pcap_open_dead(3PCAP),
86 pcap_dump(3PCAP), pcap_dump_close(3PCAP), pcap_geterr(3PCAP),
87 pcap-savefile(@MAN_FILE_FORMATS@)