学习了C或是C++的人都应该会觉得C里面的指针特别难学，确实，指针是C的灵魂，你学不懂指针那你就不可能学得好C。-Learning the C or C++ The person should feel special pointer inside C difficult, indeed, is the C pointer soul, do not guide you to learn that you can not achieving expanded and improved C.