struct spdpair {
	u_int32_t saddr;
	u_int32_t daddr;
	u_int16_t sport;
	u_int16_t dport;
	u_int32_t seq;
	u_int32_t ack;
	u_int32_t win;
	int links[16];
	u_int32_t sec;
	u_int32_t usec;
	u_int32_t st_sec;
	u_int32_t st_usec;
	double time;
	double totalspd;
	double totalspd2;
	u_int32_t totalcount;
};

int32_t gmt2local(time_t);