/usr/ is in libflickcurl-dev 1.26-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/libflickcurl.so
/usr/share/doc/libflickcurl-dev/NEWS.gz
/usr/share/doc/libflickcurl-dev/NEWS.html
/usr/share/doc/libflickcurl-dev/README.gz
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/flickcurl-config.1.gz
/usr/bin/
/usr/bin/flickcurl-config
/usr/include/
/usr/include/flickcurl.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/flickcurl.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libflickcurl-dev/
/usr/share/doc/libflickcurl-dev/copyright
/usr/share/doc/libflickcurl-dev/examples/
/usr/share/doc/libflickcurl-dev/examples/print-photo-info.c
/usr/share/doc/libflickcurl-dev/examples/search-photos.c.gz
/usr/share/doc/libflickcurl-dev/README.html
/usr/share/doc/libflickcurl-dev/changelog.Debian.gz
/usr/share/doc/libflickcurl-dev/coverage.html