https://ftp.ntu.edu.tw/cygwin/noarch/release/mingw64-x86_64-libe-book0.1/
Index of /cygwin/noarch/release/mingw64-x86_64-libe-book0.1/
index ofcygwinnoarchrelease
https://mirror.cs.vt.edu/pub/cygwin/cygwin/noarch/release/mingw64-i686-libe-book0.1/
Index of /pub/cygwin/cygwin/noarch/release/mingw64-i686-libe-book0.1
index ofpubcygwinnoarch
https://mirrors.sjtug.sjtu.edu.cn/cygwin/noarch/release/mingw64-i686-libe-book0.1/
mingw64-i686-libe-book0.1
libe