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PCAP_SET_DATALINK(3PCAP)			      PCAP_SET_DATALINK(3PCAP)

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

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

				 5 March 2022	      PCAP_SET_DATALINK(3PCAP)

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