Here is a list of all documented files with brief descriptions:

canvas.h	The API for handling graphics scenes between modules
discover.h	Provides the API for objects that need to be discoverable for testing
fdstream.h	Provide C++ stream interface to file descriptor integers
gth.h	Provide the interface between the GUI applications and the GUI Test Harness
ipc.h	Declarations for the semaphore component of libcfi
libgth.h	Provides the API for the GUI Test Harness library
libgui.h	Provides project wide GUI components
libifstubs.h	Provide a stub implementation for all VICI modules
log.h	Declarations for the logging component of libcfi
parseTree.h	The API for implementation of the EBNF Parse Tree
plugin.h	Declarations for the plug-in component of libcfi
proc.h	Declarations for classes that manage child processes
stringy.h	Useful string functions
test.h	Interface between applications and the test harness
testmgr.h	Declarations for the test harness
trace.h	Support for tracing the execution path
udpsocket.h	Declarations for a wrapper for the UDP socket
vici.h	Project wide declarations and definitions
vx.h	An exception object with stream semantics
window.h	The API for handling windows between modules
xini.h	A class for XML based configuration file
xml.h	A simple C++ wrapper for libxml2