Ginger Bill's gb single-file public domain libraries for C & C++.
These libraries are in the public domain. You can do anything you want with them. You have no legal obligation to do anything else, although I would appreciate attribution. These libraries have no warranty implied; use at your own risk.
This software is dual-licensed to the public domain and under the following
license: you are granted a perpetual, irrevocable license to copy, modify,
publish, and distribute this file as you see fit.