pcap_set_datalink(3) - NetBSD Manual Pages

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PCAP_SET_DATALINK(3)                                      PCAP_SET_DATALINK(3)




NAME

       pcap_set_datalink - set the link-layer header type to be used by a cap-
       ture device


SYNOPSIS

       #include <pcap/pcap.h>

       int pcap_set_datalink(pcap_t *p, int dlt);


DESCRIPTION

       pcap_set_datalink() is used to set the current link-layer  header  type
       of the pcap descriptor to the type specified by dlt.


RETURN VALUE

       pcap_set_datalink()  returns  0 on success, PCAP_ERROR_NOT_ACTIVATED if
       called on a capture handle that has been created but not activated,  or
       PCAP_ERROR  on  other errors. If PCAP_ERROR is returned, pcap_geterr(3)
       or pcap_perror(3) may be called with p as an argument to fetch or  dis-
       play the error text.


SEE ALSO

       pcap(3), pcap_datalink_name_to_val(3)



                                 5 March 2022             PCAP_SET_DATALINK(3)