#include <stdio.h>#include <pthread.h>#include <pthreadutils.h>#ifdef __WIN32__#include <windows.h>#define sleep(n) Sleep(1000*(n))#else#include <sys/time.h>#include <unistd.h>#endifint main(int ac, char *av[]){	struct timespec ts1;	struct timespec ts2;	long int diff;	ts_set(&ts1);	printf("ts_set(&ts1) set ts1 = %lu.%09lu s\n",			ts1.tv_sec, ts1.tv_nsec);	sleep(3);	ts_set(&ts2);	printf("ts_set(&ts2) set ts2 = %lu.%09lu s\n",			ts2.tv_sec, ts2.tv_nsec);	diff = millisdiff(&ts1, &ts2);	printf("millisdiff(&ts1, &ts2) = %ld\n",			diff);	millisadd(&ts2, diff);	printf("millisadd(&ts2, diff) set ts2 back to ts1 = %lu.%09lu s\n",			ts2.tv_sec, ts2.tv_nsec);	return 1;}