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Variable Scope

Explore variable scope in C programming by understanding the differences between local and global variables. Learn how variables declared inside functions are local and inaccessible outside, while global variables can be accessed by all functions. This lesson helps clarify how variable scope controls program behavior and data access.

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Earlier, we have seen how the area of the program where a variable can be accessed is called the scope of that variable. Here, we revisit the concept of scope after having introduced functions.

Local vs. global scope

Any variable declared inside a function is local to that function, and is not ...