pcap_open_dead(3) open a fake pcap_t for compiling filters or opening a

SYNOPSIS

#include <pcap/pcap.h>

pcap_t *pcap_open_dead(int linktype, int snaplen);

DESCRIPTION

pcap_open_dead() is used for creating a pcap_t structure to use when calling the other functions in libpcap. It is typically used when just using libpcap for compiling BPF code.

linktype specifies the link-layer type for the pcap_t.

snaplen specifies the snapshot length for the pcap_t.