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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Fatal error C1048
 
     unknown option 'character' in 'option'
 
     The given character was not a valid letter for the option.
 
     For example, the following line
 
          #pragma optimize("z", on)
 
     causes the following error
 
          unknown option 'z' in '#pragma optimize'
                                    -♦-