linux 定时重启 时间操作

#include <time.h>
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>

void main()
{
 time_t timep;
 struct tm *p;
 while(1){
  time(&timep);
  p=localtime(&timep);
  //printf("%s/n",ctime(&timep));
  //printf("%d/%d/%d ",(1900+p->tm_year), (1+p->tm_mon),p->tm_mday);
  //printf("%d:%d:%d /n",p->tm_hour,p->tm_min,p->tm_sec);
  if(p->tm_hour==12)
   if(p->tm_min==0)
    system("/sbin/reboot");
  sleep(58);
 }
 exit(0);
}