C-Preprocessor .

In this session i have discussed preprocessor in C .


The C preprocessor is the macro preprocessor . The preprocessor provides the ability for the inclusion of header files, macro expansions, conditional compilation, and line control .


All preprocessor start with # symbol . There are following types of preprocessor .

1-#include

2-#define

3-#undef

4-#ifdef

5-#ifndef

6-#if

7-#else

8-#elif

9-#endif

10-#error

11-#pragma


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