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C Preprocessor
Preprocessor directive #ifdef .. #else ... #endif is used for conditional compilation.
True
Correct Answer:
True
Explanation:
True, these macros are used for conditional operation.
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C Preprocessor
Macro calls and function calls work exactly similarly.
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Once preprocessing is over and the program is sent for the compilation the macros are removed from the expanded source code.
Every C program will contain at least one preprocessor directive.
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A preprocessor directive is a message from compiler to a linker.
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