pcap_set_snaplen - set the snapshot length for a not-yet-activated capture
handle
#include <pcap/pcap.h>
int pcap_set_snaplen(pcap_t *p, int snaplen);
pcap_set_snaplen() sets the snapshot length to be used on a capture
handle when the handle is activated to snaplen.
pcap_set_snaplen() returns 0 on success or PCAP_ERROR_ACTIVATED if
called on a capture handle that has been activated.
pcap(3), pcap_create(3), pcap_activate(3)