#ifndef _TIME_H
#define _TIME_H
typedef long time_t;
typedef long clock_t;
#define CLOCKS_PER_SEC 1000000L
struct tm {
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
};
time_t time(time_t *t);
clock_t clock(void);
#endif