/usr/ is in libs3dw-dev 0.2.2-14.
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/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libs3dw.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libs3dw-dev/
/usr/share/doc/libs3dw-dev/examples/
/usr/share/doc/libs3dw-dev/examples/widgets.c.gz
/usr/share/doc/libs3dw-dev/copyright
/usr/include/
/usr/include/s3dw.h
/usr/lib/x86_64-linux-gnu/libs3dw.so
/usr/share/doc/libs3dw-dev/RelNotes-0.2.txt
/usr/share/doc/libs3dw-dev/README
/usr/share/doc/libs3dw-dev/RelNotes-0.1.1.txt
/usr/share/doc/libs3dw-dev/RelNotes-0.2.2.txt
/usr/share/doc/libs3dw-dev/RelNotes-0.2.1.1.txt
/usr/share/doc/libs3dw-dev/RelNotes-0.1.txt.gz
/usr/share/doc/libs3dw-dev/RelNotes-0.0.2.txt
/usr/share/doc/libs3dw-dev/RelNotes-0.0.1.txt
/usr/share/doc/libs3dw-dev/RelNotes-0.2.1.txt
/usr/share/doc/libs3dw-dev/changelog.Debian.gz