C预言师实现： 请编写一个程序计算表达式：data1 op data2的值。其中，op为运算符＋、－、*、/。-C prophecy teacher realized: Please write a program to calculate the expression: data1 op data2 value. Which, op as operators+,-,*, /.

《内存DLL操作支持库》含例子源码和演示录像-" Memory DLL operation support library" containing examples of source code and demo video