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 Protected-Mode Programming Restrictions
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     This section lists the restrictions imposed on your programs when they
     run in protected mode.  You will find a description of each restriction
     and instructions for correcting code that violates the restriction.

     Some programs are more likely to violate protected-mode programming
     restrictions than others:

     .  Programs written entirely in higher-level languages like C do
        not violate most of the restrictions.

     .  Library functions may violate some of these limitations.  The
        CA-Clipper/ExoSpace distribution diskettes contain replacements for C
        compiler runtime library functions that have protected-mode
        violations.

     .  Assembly language programs may violate some of the
        restrictions.  These programs can always be corrected.

     If your program violates any of these protected-mode programming
     restrictions, you can modify it to work properly in both real and
     protected modes, so that you do not have to maintain two separate
     versions.  Often the resulting code runs as fast or faster than code
     that does not run in protected mode.