pcap_set_datalink(3) - Linux man page
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 data link type of the pcap descriptor to the type
specified by dlt.
Return Value
pcap_set_datalink() returns 0 on success and -1 on failure. If -1 is returned,
pcap_geterr() or pcap_perror() may be called with p as an argument to fetch or display the error text.
See Also
pcap(3PCAP), pcap_geterr(3PCAP)