Here is a list of all files with brief descriptions:

[detail level 12345]

include
log4cplus
boost
deviceappender.hxx
config
macosx.h
win32.h
windowsh-inc-full.h
windowsh-inc.h
helpers
appenderattachableimpl.h
connectorthread.h
fileinfo.h
lockfile.h
loglog.h
pointer.h
property.h
queue.h
snprintf.h
socket.h
socketbuffer.h
stringhelper.h
thread-config.h
timehelper.h
internal
customloglevelmanager.h	This header contains declaration internal to log4cplus
cygwin-win32.h
env.h
internal.h	This header contains declaration internal to log4cplus
socket.h	This header contains declaration internal to log4cplus
spi
appenderattachable.h
factory.h
filter.h	This header defines Filter and all of it's subclasses
loggerfactory.h
loggerimpl.h
loggingevent.h
objectregistry.h
rootlogger.h
thread
impl
syncprims-cxx11.h
syncprims-impl.h
syncprims-pmsm.h
threads-impl.h
tls.h
syncprims-pub-impl.h
syncprims.h
threads.h
appender.h
asyncappender.h
callbackappender.h
clfsappender.h
clogger.h	Module: Log4CPLUS File: clogger.h Created: 01/2011 Author: Jens Rehsack
config.hxx
configurator.h
consoleappender.h
fileappender.h
fstreams.h
hierarchy.h
hierarchylocker.h
initializer.h
layout.h
log4cplus.h
log4judpappender.h
logger.h	This header defines the Logger class and the logging macros
loggingmacros.h	This header defines the logging macros
loglevel.h	This header defines the LogLevel type
mdc.h
msttsappender.h
ndc.h	This header defined the NDC class
nteventlogappender.h
nullappender.h
qt4debugappender.h
qt5debugappender.h
socketappender.h
streams.h
syslogappender.h
tchar.h
tracelogger.h
tstring.h
version.h
win32consoleappender.h
win32debugappender.h