In C preprocessing, what is the purpose of the #elifdef directive?
A. Checks if a macro is defined
B. Checks if a macro is not defined
C. Provides an alternative condition
D. Defines a macro
Answer: Option C
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Related Questions on C Preprocessor
What is the purpose of the C preprocessor in C programming?
A. Compile C code
B. Optimize code
C. Preprocess code before compilation
D. Execute code
A. #define
B. #include
C. #ifdef
D. #pragma
What is the purpose of the #define directive in C preprocessing?
A. To include a header file
B. To define a macro
C. To declare a constant
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In C, which directive is used to conditionally include code based on preprocessor macros?
A. #ifdef
B. #ifndef
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D. #else
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