-#include <unistd.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <cstdio>
-#include <time.h>
-#include <string>
-#include <sstream>
-#include <vector>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#ifndef RUSAGE_SELF
-#define RUSAGE_SELF 0
-#define RUSAGE_CHILDREN -1
-#endif