#else

If the condition specified in the #if, #ifdef, or #ifndef directive evaluates to 0, and the conditional compilation directive contains a preprocessor #else directive, the lines of code located between the preprocessor #else directive and the preprocessor #endif directive is selected by the preprocessor to be passed on to the compiler.

The preprocessor #else directive has the form:

            .----------------.
            V                |
>>-#--else----token_sequence-+--newline_character--------------><
 
 

Related References

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