PPWIZARD Manual
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#undef

A #undef command allows you to remove a definition so that it can be redefined without producing the warning message it normally will generate.

Syntax

    [WhiteSpace]#define  Variable
    

The "Variable" indicates which variable is to be removed (macro references are first replaced).

Example

    #define Fred   Its value
    #undef  Fred;
    #define Fred   Its new value
    


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PPWIZARD Manual
My whole website and this manual itself was developed using PPWIZARD (free preprocessor written by Dennis Bareis)
Tuesday January 02 2001 at 7:37am