C++轻量级跨平台文件系统API

http://en.cppreference.com/w/cpp/experimental/fs

https://www.starmessagesoftware.com/cpcclibrary

https://github.com/emcrisostomo/fswatch

https://github.com/cginternals/cppfs

https://pocoproject.org/docs/

https://github.com/SuperV1234/SSVUtils

http://pubs.opengroup.org/onlinepubs/009695399/basedefs/dirent.h.html