程序代码：

int main()
{
    while(1)
    {
        switch(menu1())
        {
             case 0: exit(0);
                     break;
             case 1: input();
                     break;
             case 2: Addrecode();
                     break;
             case 3: cancel();
                     break;
             case 4: output();
                     break;
             case 5: search();
                     break;
        }
    }
}