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pcap_snapshot - get the snapshot length

#include <pcap/pcap.h>

int pcap_snapshot(pcap_t *p);

pcap_snapshot() returns the snapshot length specified when pcap_set_snapshot() or pcap_open_live() was called, for a live capture, or the snapshot length from the capture file, for a ``savefile''.

It must not be called on a pcap descriptor created by pcap_create() that has not yet been activated by pcap_activate() .

pcap_snapshot() returns the snapshot length on success and PCAP_ERROR_NOT_ACTIVATED if called on a capture handle that has been created but not activated. pcap(3PCAP)