Section
C Preprocessor
C preprocessor directives defined in the C standard.
- Conditional inclusion
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#if,#ifdef,#ifndef,#elif,#else,#endif - Replacing text macros
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#define,#undef,#,## - Source file inclusion
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#include - Error directive
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#error - Implementation-defined behavior
- Line control
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#line - Embed directive
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#embed(C23)