说明：  本程序是用VC++6.0写的，是一个模范银行ATM提款机的程序。可作为其他程序的子程序使用和作为VC++初学者的参考程序。
(this program is written in Visual C++ 6.0, is a model of ATM bank teller procedures. Other procedures can be used as a subroutine and use as a reference VC beginners procedures.)