I've added a snapshot of Scott Bartram's iBCS2 emulation code to our
source tree.

This code is incomplete; read the TODO file for more specifics.  Scott
indicated that he's run (most of?) Informix and a shell, at least,
which demonstrates that much of the code (including signals) is at
least somewhat functional.

If you have SCO or ISC executables, please give it a whirl, find bugs,
send diffs, work on the incomplete sections, etc., etc.


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