#include <stdio.h>  
int main(){ 
  FILE *r_file = fopen ("read.o","rb"); 
  FILE *w_file = fopen ("ReadCopy.o","w"); 
  char temp[10]; 
  int judge = 0; 
  if (r_file){ 
    do { 
      judge = fread(temp,sizeof(char),10,r_file); 
      if (!judge){ 
        break; 
      } 
      fwrite(temp,sizeof(char),10,w_file); 
    }while(1); 
  } 
  fclose(r_file); 
  fclose(w_file); 
  r_file = NULL; 
  w_file = NULL; 
  return 0; 
}