DAY 12
WEEK 2
Understanding Variable
Scope
On Day 5, “Functions: The Basics,” you saw that a variable defined within a
function is different from a variable defined outside a function. Without know-
ing it, you were being introduced to the concept of variable scope,an important
aspect of C programming. Today you will learn:- About variable scope and why it’s important
- What external variables are and why you should usually avoid them
- The ins and outs of local variables
- The difference between static and automatic variables
- About local variables and blocks
- How to select a storage class
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