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#include <sys/times.h>
#include <sys/param.h>
#include <time.h>
#include <unistd.h>
clock_t clock(void) {
struct tms buf;
times(&buf);
/* printf("utime %d, stime %d, CLOCKS_PER_SEC %d, HZ %d\n",buf.tms_utime,buf.tms_stime,CLOCKS_PER_SEC,HZ); */
#if CLOCKS_PER_SEC == HZ
return (unsigned long) buf.tms_utime + buf.tms_stime;
#elif CLOCKS_PER_SEC % HZ == 0
return ((unsigned long) buf.tms_utime + buf.tms_stime) * (CLOCKS_PER_SEC / HZ);
#elif HZ % CLOCKS_PER_SEC == 0
return ((unsigned long) buf.tms_utime + buf.tms_stime) / (HZ / CLOCKS_PER_SEC);
#else
return ((unsigned long long) buf.tms_utime + buf.tms_stime) * CLOCKS_PER_SEC / HZ;
#endif
}
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