/usr/share/doc/libbotan1.8-dev/examples/ is in libbotan1.8-dev 1.8.13-4.
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..
/usr/share/doc/libbotan1.8-dev/examples/GNUmakefile
/usr/share/doc/libbotan1.8-dev/examples/asn1.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/base.cpp
/usr/share/doc/libbotan1.8-dev/examples/base64.cpp
/usr/share/doc/libbotan1.8-dev/examples/bench.cpp
/usr/share/doc/libbotan1.8-dev/examples/benchmark.cpp
/usr/share/doc/libbotan1.8-dev/examples/bzip.cpp
/usr/share/doc/libbotan1.8-dev/examples/ca.cpp
/usr/share/doc/libbotan1.8-dev/examples/checksum.cpp
/usr/share/doc/libbotan1.8-dev/examples/cms_dec.cpp
/usr/share/doc/libbotan1.8-dev/examples/cms_enc.cpp
/usr/share/doc/libbotan1.8-dev/examples/cryptobox.cpp
/usr/share/doc/libbotan1.8-dev/examples/decrypt.cpp
/usr/share/doc/libbotan1.8-dev/examples/dh.cpp
/usr/share/doc/libbotan1.8-dev/examples/dsa_kgen.cpp
/usr/share/doc/libbotan1.8-dev/examples/dsa_sign.cpp
/usr/share/doc/libbotan1.8-dev/examples/dsa_ver.cpp
/usr/share/doc/libbotan1.8-dev/examples/eax_test.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/eax_tv.txt.gz
/usr/share/doc/libbotan1.8-dev/examples/ecdsa.cpp
/usr/share/doc/libbotan1.8-dev/examples/encrypt.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/encrypt2.cpp
/usr/share/doc/libbotan1.8-dev/examples/factor.cpp
/usr/share/doc/libbotan1.8-dev/examples/gen_certs.cpp
/usr/share/doc/libbotan1.8-dev/examples/gtk/
/usr/share/doc/libbotan1.8-dev/examples/gtk/Makefile
/usr/share/doc/libbotan1.8-dev/examples/gtk/dsa.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/gtk/gtk_ui.cpp
/usr/share/doc/libbotan1.8-dev/examples/gtk/gtk_ui.h
/usr/share/doc/libbotan1.8-dev/examples/gtk/readme.txt
/usr/share/doc/libbotan1.8-dev/examples/hash.cpp
/usr/share/doc/libbotan1.8-dev/examples/hash_fd.cpp
/usr/share/doc/libbotan1.8-dev/examples/hash_quickly.cpp
/usr/share/doc/libbotan1.8-dev/examples/hasher.cpp
/usr/share/doc/libbotan1.8-dev/examples/hasher2.cpp
/usr/share/doc/libbotan1.8-dev/examples/make_prime.cpp
/usr/share/doc/libbotan1.8-dev/examples/passhash.cpp
/usr/share/doc/libbotan1.8-dev/examples/pkcs10.cpp
/usr/share/doc/libbotan1.8-dev/examples/pqg_gen.cpp
/usr/share/doc/libbotan1.8-dev/examples/readme.txt
/usr/share/doc/libbotan1.8-dev/examples/ressol.cpp
/usr/share/doc/libbotan1.8-dev/examples/rng_test.cpp
/usr/share/doc/libbotan1.8-dev/examples/row_encryptor.cpp
/usr/share/doc/libbotan1.8-dev/examples/rsa_dec.cpp
/usr/share/doc/libbotan1.8-dev/examples/rsa_enc.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/rsa_kgen.cpp
/usr/share/doc/libbotan1.8-dev/examples/rsa_manykey.cpp
/usr/share/doc/libbotan1.8-dev/examples/self_sig.cpp
/usr/share/doc/libbotan1.8-dev/examples/sig_gen.cpp
/usr/share/doc/libbotan1.8-dev/examples/stack.cpp
/usr/share/doc/libbotan1.8-dev/examples/test_es.cpp
/usr/share/doc/libbotan1.8-dev/examples/x509info.cpp.gz
/usr/share/doc/libbotan1.8-dev/examples/xor_ciph.cpp