https://mirrors.sjtug.sjtu.edu.cn/cygwin/noarch/release/mingw64-x86_64-libbs2b/
mingw64-x86_64-libbs2b
https://software.pureos.net/package/bin/pureos/dawn/libbs2b-dev
Binary package libbs2b-dev/3.1.0+dfsg-8+b1 in dawn @ pureos - PureOS Software
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