Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Compiler warning (levels 1 and 4) C4001
 
     nonstandard extension used - 'extension'
 
     The given nonstandard language extension was used when the /Ze
     option was specified.
 
     If the /Za option has been specified, this condition generates a
     syntax error.
                                    -♦-