EMX is a library for OS/2 that is required to run most software that has been ported from Un*x. The full package also contains the gcc compiler for OS/2.
Problems solved by this fix package
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o emxdoc: LaTeX and IPF output fixed
o various bugs in DB fixed:
put() fixed for keys in overflow pages
splitting after new key (which is the first on page) fixed
applied patches from http://www.sleepycat.com/update/1.85/patch.185.html
o sscanf(): Don't set errno (to EACCES) when reaching EOF (C99)
o fscanf(): "%[A-]" does not contain a set
o strtol(): *END_PTR now points to 'x' instead of '0' for "0x*"
o printf(): printf("%#.4g", 0.0) fixed
o Source: