>> There is a subset of the OS/2 calls that are termed Family

 >> APIs (FAPI) that have DOS equivalents. If you stick to using

 >> the FAPI routines, you can run your program through a utility

 >> call BIND and you will be an EXE that can run under DOS and

 >> OS/2. This is only available with 16 bit compilers.



 dn> emx provides a similar facility - 95% of its runtime library is available

 dn> in the extender for DOS, and it is 'bound' in a very similar way, except

 dn> that all the code is 32-bit.



What sort of function are in the library? FAPI contains such things as the
video, mouse and keyboard routines from OS/2.



I think I'd prefer to just have one source file and generate two executables.





Paul



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