What Are Types Of Preprocessor In C?

1.	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.

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.

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