动态链接库程序的编写。静态库与动态库的区别，以及调用程序在链接静态库和动态库时的区别。如何利用工具查看动态链接库输出的函数，Depends工具的使用，C++编译器名字改编技术对动态链接库输出函数的影响，extern "C"的用法，利用模块定义文件来解决C++名字改编的问题。用typedef定义指向函数的指针类型，如何获得动态连接库里的函数的指针。-Dynamic Link Library of the preparation procedures. Static library and dynamic library distinction, as well as the procedure call in the static library and dynamic link library when the distinction. How to use tools to view the dynamic link library function of the output, Depends tools, C++ compiler the names of adaptation of technology on the dynamic link library function of the impact on output, extern " C"　is used, use module definition files to resolve the C++ the name of adaptation. Typedef point function with the definition of the pointer type, how to obtain the dynamic link library function of the pointer.