Updated: 2022/Sep/29

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PCAP_SET_DATALINK(3)       Library Functions Manual       PCAP_SET_DATALINK(3)



NAME
       pcap_set_datalink - set the link-layer header type to be used by a
       capture 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
       display the error text.

SEE ALSO
       pcap(3), pcap_datalink_name_to_val(3)



                                 5 March 2022             PCAP_SET_DATALINK(3)