/usr/ is in libucto-dev 0.9.6-1build2.
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/usr/include/
/usr/include/ucto/
/usr/include/ucto/setting.h
/usr/include/ucto/textcat.h
/usr/include/ucto/tokenize.h
/usr/include/ucto/unicode.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libucto.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/ucto-icu.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/ucto.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libucto-dev/
/usr/share/doc/libucto-dev/copyright
/usr/lib/x86_64-linux-gnu/libucto.so
/usr/share/doc/libucto-dev/AUTHORS
/usr/share/doc/libucto-dev/NEWS.gz
/usr/share/doc/libucto-dev/README.gz
/usr/share/doc/libucto-dev/TODO
/usr/share/doc/libucto-dev/changelog.Debian.gz