Cpanel accounting library

Hi all, Cpanel is a control panel to manage accounts for ISP's (And espcially ISP's resellers). I knnow there is some librarys to directly manage the accounts from PHP-Scripts and I got some very small and undocummented samples. I'm working on some scripts to manage the accounts directly from PHP (Scripts will be GNU/GPL licensed). After STFW, I've not found any good documentation on it, just the short samples on http://www.cpanel.net/remoteaccess-php.html At this moment, I have access to some servers with the accounting libs installed, but I have no access to the fonts (Which could help to make it work). If anyone can post a link where to find good docs about this cpanel lib, and, if possible the source code for it, it will help me so much. Thanks in advance Jordi.