35. Preprocessor, macros and header files

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Lesson 35

Preprocessor, macros and header files

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What you will learn in this lesson

  • What the preprocessor does before gcc compiles your code.
  • The difference between #include and #include "...".
  • Make constants and small macros with #define.
  • Avoid the most famous macro bug, with brackets.
  • Switch debug lines on and off with #ifdef and -DDEBUG.

60 minutes Lesson 35 of 37

Everything in C Programming: BCA, MCA, BTech & O Level

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