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

[detail level 123]

containers
qgrow.c	Grow container that handles growable objects
qhasharr.c	Static(array) hash-table implementation
qhashtbl.c	Hash-table container implementation
qlist.c	Doubly Linked-list implementation
qlisttbl.c	Linked-list-table implementation
qqueue.c	Queue implementation
qstack.c	Stack implementation
qtreetbl.c	Tree Table container that implements the Left-Leaning Red-Black BST algorithm
qvector.c	Vector container implementation
extensions
qaconf.c	Apache-style configuration file parser
qconfig.c	INI-style configuration file parser
qdatabase.c	Database wrapper
qhttpclient.c	HTTP client object
qlog.c	Rotating file logger object
qtokenbucket.c	Token Bucket implementation
include
qlibc
qlibc.h	Qlibc header file
qlibcext.h	Qlibc extension header file
ipc
qsem.c	Semaphore APIs
qshm.c	Shared-memory APIs
utilities
qcount.c	Counter file handling APIs
qencode.c	Encoding/decoding APIs
qfile.c	File handling APIs
qhash.c	Hash APIs
qio.c	I/O handling APIs
qsocket.c	Socket handling APIs
qstring.c	String APIs
qsystem.c	System APIs
qtime.c	Time handling APIs