By modifying Bresenham's line algorithm to plot rectangles instead of pixels, it is possible to draw lines of any thickness.
Given a string, I needed to extract the coordinate point-pairs. I wrote a simple parser to do this. Source code provided.
Poxml is an open source library that can parse "plain old XML" for the Cobra Programming Language (also ported to C).
A fast implementation of text-wrapping for the Cobra programming language
Lexini is an open source library that can parse .ini files for the Cobra Programming Language.
You can also contact me directly - I make an effort to reply to every e-mail.