PCAP_SET_DATALINK

Section: Misc. Reference Manual Pages (3PCAP)
Updated: 5 April 2008
Index Return to Main Contents
 

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)