/usr/share/doc/ is in libtokyocabinet-dev 1.4.48-2.
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/usr/share/doc/libtokyocabinet-dev/
/usr/share/doc/libtokyocabinet-dev/examples/
/usr/share/doc/libtokyocabinet-dev/examples/Makefile
/usr/share/doc/libtokyocabinet-dev/examples/tctchat.tmpl.gz
/usr/share/doc/libtokyocabinet-dev/examples/tcadbex.c
/usr/share/doc/libtokyocabinet-dev/examples/tcutilex.c
/usr/share/doc/libtokyocabinet-dev/examples/tctchat.c
/usr/share/doc/libtokyocabinet-dev/examples/tcfdbex.c
/usr/share/doc/libtokyocabinet-dev/examples/tcbdbex.c
/usr/share/doc/libtokyocabinet-dev/examples/tctsearch.tmpl.gz
/usr/share/doc/libtokyocabinet-dev/examples/tctsearch.c
/usr/share/doc/libtokyocabinet-dev/examples/tctdbex.c
/usr/share/doc/libtokyocabinet-dev/examples/tchdbex.c
/usr/share/doc/libtokyocabinet-dev/copyright
/usr/share/doc/libtokyocabinet-dev/changelog.Debian.gz