C Preprocessor Question: Download Questions PDF
What are types of Preprocessor in C?
Answer:
► #define and #undef - Used for defining and undefining MACROS.
► #error - Used for Debugging
► #include - Used for combining source code files
► #if, #else, #elseif, and #endif - Used for conditional compilation similar to if - else statment.
► #ifdef and #ifndef - Conditional Compilation on basis of #define and #undef
► #line - Controls the program line and file macros.
► #pragma - Used for giving compiler instruction. Highly specific to the compiler being used.
► # and ## - Operators used for stringize and concating operation respectively.
► #error - Used for Debugging
► #include - Used for combining source code files
► #if, #else, #elseif, and #endif - Used for conditional compilation similar to if - else statment.
► #ifdef and #ifndef - Conditional Compilation on basis of #define and #undef
► #line - Controls the program line and file macros.
► #pragma - Used for giving compiler instruction. Highly specific to the compiler being used.
► # and ## - Operators used for stringize and concating operation respectively.
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