读写文件

 FILE *fp1,*fp2;
 fp1 = fopen("D:\\1.txt", "r");
 fp2 = fopen("D:\\2.txt", "w");
 if ( NULL == fp2)
 {
  cout<<"NULL"<<endl;
  return 0;
 }
    while (!feof(fp1))
    {
  char ch[100];
  fputs(fgets(ch, 100, fp1), fp2);
    }
    fclose(fp1);
 fclose(fp2);