stl的源码，可以学习stl的架构和详细原理，对学习c++的底层实现机制很有帮助-stl the source, you can learn the structure of stl and detailed principle of learning c++ underlying mechanism to achieve very helpful

stlport5.20，c++标准模板库，很好的-stlport5.20, c++ standard template library, very good

一个标准库C++ STL的实现，很流行的，从网上下载的-A standard library of C++ STL implementation, very popular, downloaded from the Internet