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

[detail level 12]

include
internal.h	Header of all private functions that are used throughout the library
src
context.c	Defines the so-called "Context commands" described in chapter 3.5 of the GLC specs
except.c	Defines the functions needed for cleanup stack exception handling (CSEH) which concept is described in details at http://www.freetype.org/david/reliable-c.html
except.h	Header of the functions needed for cleanup stack exception handling (CSEH)
font.c	Defines the so-called "Font commands" described in chapter 3.7 of the GLC specs
global.c	Defines the so-called "Global commands" described in chapter 3.4 of the GLC specs
master.c	Defines the so-called "Master commands" described in chapter 3.6 of the GLC specs
measure.c	Defines the so-called "Measurement commands" described in chapter 3.10 of the GLC specs
misc.c	Defines miscellaneous utility routines used throughout QuesoGLC
oarray.c	Defines the object __GLCarray which is an array which size can grow as some new elements are added to it
oarray.h	Header of the object __GLCarray which is an array which size can grow as some new elements are added to it
ocharmap.c	Defines the object __GLCcharMap which manage the charmaps of both the fonts and the masters
ocharmap.h	Header of the object __GLCcharMap which manage the charmaps of both the fonts and the masters
ocontext.c	Defines the object __GLCcontext which is used to manage the contexts
ocontext.h	Header of the object __GLCcontext which is used to manage the contexts
ofacedesc.c	Defines the object __GLCfaceDescriptor that contains the description of a face
ofacedesc.h	Header of the object __GLCfaceDescriptor that contains the description of a face
ofont.c	Defines the object __GLCfont which manage the fonts
ofont.h	Header of the object __GLCfont which manage the fonts
oglyph.c	Defines the object __GLCglyph which caches all the data needed for a given glyph : display list, texture, bounding box, advance, index in the font file, etc
oglyph.h	Header of the object __GLCglyph which caches all the data needed for a given glyph : display list, texture, bounding box, advance, index in the font file, etc
omaster.c	Defines the object __GLCmaster which manage the masters
omaster.h	Header of the object __GLCmaster which manage the masters
render.c	Defines the so-called "Rendering commands" described in chapter 3.9 of the GLC specs
scalable.c	Defines the routines used to render characters with lines and triangles
texture.c	Defines the routines used to render characters with textures
texture.h	Header of the routines used to render characters with textures
transform.c	Defines the so-called "Transformation commands" described in chapter 3.9 of the GLC specs
unicode.c	Defines the routines used to manipulate Unicode strings and characters