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As the first stage of compiling a C source module, GCC transforms the text with text substitutions and file inclusions. This is called preprocessing.
| • Preproc Overview: | ||
| • Directives: | ||
| • Preprocessing Tokens: | ||
| • Header Files: | ||
| • Macros: | ||
| • Conditionals: | ||
| • Diagnostics: | ||
| • Line Control: | ||
| • Null Directive: |