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==Static local variables==
{{main|Static variable}}
A special type of local variable, called a static local, is available in many mainstream languages, including [[C (programming language)|C]]/[[C++]], [[Visual Basic]] and [[Visual Basic .NET|VB.NET]], which allows a value to be retained from one call of the function to another. In this case, recursive calls to the function also have access to the variable. In all of the above languages, variables are declared as such with the <code>static</code> keyword.
Static locals in global functions can be thought of as global variables, because their value remains in memory for the life of the program. The only difference is that they are only accessible through one function. Static locals can also be declared in class-level functions in the above [[Object-oriented programming|object-oriented]] languages, and the behaviour differs depending on the language:
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