/usr/share/doc/libclipper-dev/examples/ is in libclipper-dev 2.1+20100511-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libclipper-dev/examples/Makefile
/usr/share/doc/libclipper-dev/examples/Makefile.am
/usr/share/doc/libclipper-dev/examples/Makefile.in
/usr/share/doc/libclipper-dev/examples/caniso.cpp
/usr/share/doc/libclipper-dev/examples/cecalc.cpp
/usr/share/doc/libclipper-dev/examples/cfft.cpp
/usr/share/doc/libclipper-dev/examples/chltofom.cpp
/usr/share/doc/libclipper-dev/examples/cinvfft.cpp
/usr/share/doc/libclipper-dev/examples/clipper_test.cpp
/usr/share/doc/libclipper-dev/examples/cmakereference.cpp
/usr/share/doc/libclipper-dev/examples/cmaplocal.cpp
/usr/share/doc/libclipper-dev/examples/cmodeltoseq.cpp
/usr/share/doc/libclipper-dev/examples/cncsfrommodel.cpp
/usr/share/doc/libclipper-dev/examples/compress42.c
/usr/share/doc/libclipper-dev/examples/convert2mtz.cpp
/usr/share/doc/libclipper-dev/examples/convert2mtz.h
/usr/share/doc/libclipper-dev/examples/cpatterson.cpp
/usr/share/doc/libclipper-dev/examples/cphasecombine.cpp
/usr/share/doc/libclipper-dev/examples/cphasematch.cpp
/usr/share/doc/libclipper-dev/examples/csfcalc.cpp
/usr/share/doc/libclipper-dev/examples/csfcreate.cpp
/usr/share/doc/libclipper-dev/examples/csigmaa.cpp
/usr/share/doc/libclipper-dev/examples/csymmatch.cpp
/usr/share/doc/libclipper-dev/examples/ftplib.c
/usr/share/doc/libclipper-dev/examples/ftplib.h
/usr/share/doc/libclipper-dev/examples/maketestdata.cpp