C++格式化硬盘程序

#include
using namespace std; //声明命名空间

void main()
{
 char format[12]="format", name[10], choice;
 re: system("cls"); //用于跳转到此的节点
 cout<<"请选择要格式化的盘符(C、D、E、F):"<<endl;
 cin>>choice;
 switch(choice)
 {
  case 'f':
   strcpy(name, "f:");
   strcat(format, name);
   system(format);
   break;

  case 'e':
   strcpy(name, "e:");
   strcat(format, name);   
   system(format);
   break;

  case 'd':
   strcpy(name, "d:");
   strcat(format, name);
   system(format);
   break;

  case 'c':
   strcpy(name, "c:");
   strcat(format, name);
   system(format);
   break;

  default:
   goto re; //跳转语句
 }
}