File list of package libfl-dev in buster of architecture amd64
/usr/include/FlexLexer.h /usr/lib/x86_64-linux-gnu/libfl.a /usr/lib/x86_64-linux-gnu/libfl.so /usr/lib/x86_64-linux-gnu/libl.a /usr/lib/x86_64-linux-gnu/pkgconfig/libfl.pc /usr/share/doc/libfl-dev/NEWS.Debian.gz /usr/share/doc/libfl-dev/README.md.gz /usr/share/doc/libfl-dev/changelog.Debian.gz /usr/share/doc/libfl-dev/changelog.gz /usr/share/doc/libfl-dev/copyright