/usr/ is in libgdk-pixbuf2.0-dev 2.26.1-1ubuntu1.5.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/gdk-pixbuf-csource
/usr/bin/gdk-pixbuf-pixdata
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/gdk-pixbuf-xlib-2.0.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/gdk-pixbuf-2.0.pc
/usr/include/
/usr/include/gdk-pixbuf-2.0/
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-transform.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-core.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-loader.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-marshal.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-animation.h
/usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-enum-types.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixdata.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-simple-anim.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-io.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf-features.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf-xlib/
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf-xlib/gdk-pixbuf-xlib.h
/usr/include/gdk-pixbuf-2.0/gdk-pixbuf-xlib/gdk-pixbuf-xlibrgb.h
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/GdkPixbuf-2.0.gir
/usr/share/doc/
/usr/share/doc/libgdk-pixbuf2.0-dev/
/usr/share/doc/libgdk-pixbuf2.0-dev/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/gdk-pixbuf-query-loaders.1.gz
/usr/share/man/man1/gdk-pixbuf-csource.1.gz
/usr/bin/gdk-pixbuf-query-loaders
/usr/lib/x86_64-linux-gnu/libgdk_pixbuf_xlib-2.0.so
/usr/share/doc/libgdk-pixbuf2.0-dev/NEWS.gz
/usr/share/doc/libgdk-pixbuf2.0-dev/AUTHORS
/usr/share/doc/libgdk-pixbuf2.0-dev/changelog.Debian.gz