c++ 输出时间

 [root@GZMJ_Logic_2 ]# cat lys.cpp
 #include "stdio.h"
 #include <iostream>
 #include<time.h>
 #include<stdlib.h>
 #include   <fstream>
 #include   <string>
 #include<ctime>
 using namespace std;
 int main ()
 {

    for( ; ; )
    {
     time_t timep;
         time (&timep);
         //printf("%s", ctime(&timep));

     //time_t now_time;
         //now_time = time(NULL);
         usleep();

         ofstream   ofresult( "game.log",ios::app);
         ofstream   ofresult_pid( "game.pid",ios::app);
     //cout<<"game ok"<<endl;
     //ofresult<< ctime(&timep) <<" game "<<" ok "<<endl;
     ofresult<< ctime(&timep)<<" game "<<" ok "<<endl;
     ofresult_pid<<""<<endl;
     //ofresult<<" game "<<" ok "<<endl;
     //ofresult<<"[ "<<now_time<<" ]"<<" game "<<" ok "<<endl;
     //ofresult<<now_time<<endl;
    }

 }

[root@GZMJ_Logic_2 1]# g++ lys.cpp -o lys
[root@GZMJ_Logic_2 1]# ./lys