Something

 ls -R
.:
bin/  etc/  include/  lib/  libexec/  sbin/  share/  var/

./bin:
courierauthconfig*

./etc:
authlib/

./etc/authlib:
authdaemonrc  authdaemonrc.dist

./include:
courier_auth_config.h  courierauth.h  courierauthdebug.h  courierauthsasl.h  courierauthsaslclient.h

./lib:
courier-authlib/

./lib/courier-authlib:
libauthpipe.a          libauthvchkpw.so.0@       libcourierauthcommon.la*        libcourierauthsasl.so.0.0.0*
libauthpipe.la*        libauthvchkpw.so.0.0.0*   libcourierauthcommon.so@        libcourierauthsaslclient.a
libauthpipe.so@        libcourierauth.a          libcourierauthcommon.so.0@      libcourierauthsaslclient.la*
libauthpipe.so.0@      libcourierauth.la*        libcourierauthcommon.so.0.0.0*  libcourierauthsaslclient.so@
libauthpipe.so.0.0.0*  libcourierauth.so@        libcourierauthsasl.a            libcourierauthsaslclient.so.0@
libauthvchkpw.a        libcourierauth.so.0@      libcourierauthsasl.la*          libcourierauthsaslclient.so.0.0.0*
libauthvchkpw.la*      libcourierauth.so.0.0.0*  libcourierauthsasl.so@
libauthvchkpw.so@      libcourierauthcommon.a    libcourierauthsasl.so.0@

./libexec:
courier-authlib/

./libexec/courier-authlib:
authdaemond*  authsystem.passwd*

./sbin:
authdaemond*  authenumerate*  authpasswd*  authtest*  courierlogger*

./share:
man/

./share/man:
man1/  man3/  man8/

./share/man/man1:
authpasswd.1  authtest.1  courierlogger.1

./share/man/man3:
auth_enumerate.3  auth_generic.3  auth_getoption.3  auth_getuserinfo.3  auth_login.3  auth_passwd.3  auth_sasl.3  authlib.3

./share/man/man8:
makeuserdb.8  userdb.8  userdbpw.8

./var:
spool/

./var/spool:
authdaemon/

./var/spool/authdaemon:
pid  pid.lock  socket=