The jar files here include c3p0's Java source code and source for the mchange-commons-java library.
they may be helpful for debugging purposes. However, they mix handwritten and automatically generated code,
and are not intended for standalone use in rebuilding the libraries. 

To modify or build c3p0, please download the full source distribution, now
available on github at

     https://github.com/swaldman/c3p0

You'll find the full mchange-commons-java source distrubution at

     https://github.com/swaldman/mchange-commons-java

Thanks!