C++宏，同名宏，宏的井號

https://blog.csdn.net/s9434/article/details/79871598 https://blog.csdn.net/qq_33658067/article/details/79443014 https://blog.csdn.net/s9434/article/details/79871598 http://bbs.51cto.com/thread-1094029

>>阅读原文<<