1PCAP_SET_DATALINK(3PCAP)                              PCAP_SET_DATALINK(3PCAP)
2
3
4

NAME

6       pcap_set_datalink - set the link-layer header type to be used by a cap‐
7       ture device
8

SYNOPSIS

10       #include <pcap/pcap.h>
11
12       int pcap_set_datalink(pcap_t *p, int dlt);
13

DESCRIPTION

15       pcap_set_datalink() is used to set the current link-layer  header  type
16       of the pcap descriptor to the type specified by dlt.
17

RETURN VALUE

19       pcap_set_datalink()  returns  0 on success, PCAP_ERROR_NOT_ACTIVATED if
20       called on a capture handle that has been created but not activated,  or
21       PCAP_ERROR    on    other    errors.   If   PCAP_ERROR   is   returned,
22       pcap_geterr(3PCAP) or pcap_perror(3PCAP) may be called with p as an ar‐
23       gument to fetch or display the error text.
24

SEE ALSO

26       pcap(3PCAP), pcap_datalink_name_to_val(3PCAP)
27
28
29
30                                 5 March 2022         PCAP_SET_DATALINK(3PCAP)