| 2. The # Preprocessor | ||
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| 2. The # Preprocessor | ||
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The preprocessor runs before the compiler proper.
The preprocessor:
modifies the source code
processes preprocessor instructions
lines beginning with #
strips out comments
The common pre-processor instructions are
#include
insert a file
#define
define a macro
#ifdef, #ifndef, #endif
check to see if a macro has been defined
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| 1.3. Separate Compilation |  |  |
2.1. #include |
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