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> I was wondering what possible issues and solutions might be to change
> the FILE pointer Lua uses for functions like print and error at the
> configuration or runtime startup level might be.

Lua 5.2 will provide a macro in luaconf.h for outputting strings via print.
The default will be this:

@@ luai_writestring defines how 'print' prints its results. 
** CHANGE it if your system does not have a useful stdout.
#define luai_writestring(s,l)	fwrite((s), sizeof(char), (l), stdout)