ElPaso: this clone of RTCLib has initial support for DS1388.
RTClib is a lightweight date and time library for JeeNodes and Arduino's.
Work in progress - see this discussion for some background info.
This library has also been forked at https://github.com/adafruit/RTClib.
The latest source code for this project is maintained on GitHub.
The wiki for this library is at http://jeelabs.net/projects/cafe/wiki.
The API documentation is generated by Doxygen and can be found here.
For questions and reporting bugs, check out the JeeLabs forums.