PCAP_SET_DATALINK(3PCAP)                              PCAP_SET_DATALINK(3PCAP)

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(3PCAP) or pcap_perror(3PCAP) may be called with p as an
       argument to fetch or display the error text.

SEE ALSO
       pcap(3PCAP), pcap_datalink_name_to_val(3PCAP)

                                 5 March 2022         PCAP_SET_DATALINK(3PCAP)