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Manual Pages  — PCAP_SET_DATALINK

NAME

pcap_set_datalink - set the link-layer header type to be used by a capture device

CONTENTS

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(3) or pcap_perror(3) may be called with p as an argument to fetch or display the error text.

SEE ALSO

pcap(3), pcap_datalink_name_to_val(3)
5 March 2022 PCAP_SET_DATALINK (3)
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