C Preprocessor Preprocessor Operators

C examples for Preprocessor:Preprocessor Operators

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Description

Click the following links for the tutorial for Preprocessor and Preprocessor Operators.

  1. Use #if to check condition
  2. The # and ## Preprocessor Operators
  3. Use #line to set line number
  4. #ifndef means if not defined
  5. #else directive sets an alternative if #if fails.
  6. The Preprocessor
  7. Use preprocessor directive called #include.
  8. Define Symbolic Constants with #define


  9. Use #define Statement to create two constants
  10. Define PI constant with #define
  11. Adding Debug Statements with the Preprocessor
  12. Get to know Preprocessor
  13. Directive #define creates compile-time constants, or macros.
  14. Including Source Files
  15. Error and Warning
  16. Conditional Compilation


  17. Demonstrates the # operator in macro expansion.
  18. Define string constant with #define
  19. Uses defined constants for PI
  20. #ifndef asks whether the following identifier is not defined;
  21. Uses conditional compilation
  22. Use the ## operator
  23. Define constant using #define