#include <pcap.h>

int
main(void) {
	pcap_t *p;
	char errbuf[PCAP_ERRBUF_SIZE];
	int fd;

	p = pcap_open_live(NULL, 1500, 1, 500, errbuf);
	if (!p) {
		printf("pcap_open_live failed !\n%s\n", errbuf);
		return 1;
	}
	fd = pcap_fileno(p);

	printf("OK\n");
}