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22 .TH PCAP_LIST_DATALINKS 3PCAP "5 April 2008"
24 pcap_list_datalinks \- get a list of link-layer header types supported
29 #include <pcap/pcap.h>
33 int pcap_list_datalinks(pcap_t *p, int **dlt_buf);
37 .B pcap_list_datalinks()
38 is used to get a list of the supported data link types of the interface
39 associated with the pcap descriptor.
40 .B pcap_list_datalinks()
41 allocates an array to hold the list and sets
43 The caller is responsible for freeing the array with
44 .BR pcap_free_datalinks (3PCAP).
46 .B pcap_list_datalinks()
47 returns the number of data link types in the array on success and \-1
55 as an argument to fetch or display the error text.
57 pcap(3PCAP), pcap_geterr(3PCAP), pcap_free_datalinks(3PCAP),
58 pcap-linktype(@MAN_MISC_INFO@)