CSIM is a simulation language written by Mesquite software

CSIM for Java

Compressed ZIP file of the CSIM for Java library.

PDF User Guide - CSIM for Java.

More general CSIM documentation.

CSIM for C

Below here are some MUCH older files...

Old CSIM Tutorial for the C language.

Old CSIM Users Guide for the C language.

CSIM for C library and code examples. Note it is from the year 2002, before Mesquite software existed as a commercial entitety. The library still works on openlab computers but you're on your own anywhere else.