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section6_intro

Fábio Gaspar edited this page Jan 15, 2019 · 1 revision

Functions

Functions play a major rule in C programs. In this section we will cover how functions can be used, how to declare and define them, some scope rules and explore the extern keyword which can be used along variables and functions reforcing the differences between declaration and definition.

  1. Introduction to functions
  2. "External" variables
  3. Scope rules
  4. Exercises