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Which of the following are correct preprocessor directives in C? 1: #ifdef 2: #if 3: #elif 4: #undef ?->(Show Answer!)
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1. Which of the following are correct preprocessor directives in C? 1: #ifdef 2: #if 3: #elif 4: #undef





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  • By: guest on 01 Jun 2017 06.00 pm
    The macros #ifdef #if #elif are called conditional macros. The macro #undef undefine the previosly declared macro symbol. Hence all the given statements are macro preprocessor directives.
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