Man page of PCAP_SET_DATALINK

Section: Misc. Reference Manual Pages (3PCAP)
Updated: 3 January 2014
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This man page documents libpcap version 1.9.0.

Your system may have a different version installed, possibly with some local modifications. To achieve the best results, please make sure this version of this man page suits your needs. If necessary, try to look for a different version on this web site or in the man pages available in your installation.
 

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 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), pcap_datalink_name_to_val(3PCAP)


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