xlib 手册(英文) https://tronche.com/gui/x/xlib/
xwindows system 文档(英文) https://www.x.org/releases/X11R7.7/doc/
xorg 文档(英文) https://www.x.org/wiki/Documentation/
理解xwindows https://www.cnblogs.com/lpfuture/p/6018363.html
安装和配置X-Windows
https://max.book118.com/html/2020/0906/8127050114002140.shtm
x11 windows csdn专栏
https://blog.csdn.net/arv002/category_10655780.html
X,X11,Xorg,XServer,XClient,Xlib
https://blog.csdn.net/a379039233/article/details/80782351
Xlib 窗口属性 https://www.bbsmax.com/A/LPdorZNj53/