How To Redefined Macro With Different Value?

1.	How To Redefined Macro With Different Value?
Answer» The #undef preprocessor can be USED to reset a macro. For example, #ifdef SAMPLE /* Checking if SAMPLE is defined / #undef SAMPLE / If so, then reset it / #endif #define SAMPLE 0 / Then redefine with INTENDED value / The #undef preprocessor can be used to reset a macro. For example, #ifdef SAMPLE / Checking if SAMPLE is defined / #undef SAMPLE / If so, then reset it / #endif #define SAMPLE 0 / Then redefine with intended value */

Answer»

The #undef preprocessor can be USED to reset a macro. For example,
#ifdef SAMPLE /* Checking if SAMPLE is defined */
#undef SAMPLE /* If so, then reset it */
#endif
#define SAMPLE 0 /* Then redefine with INTENDED value */

The #undef preprocessor can be used to reset a macro. For example,
#ifdef SAMPLE /* Checking if SAMPLE is defined */
#undef SAMPLE /* If so, then reset it */
#endif
#define SAMPLE 0 /* Then redefine with intended value */

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How To Redefined Macro With Different Value?

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