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Nested FunctionA nested function is a function which can only be called from its parent function. That is, the scope of the nested function is limited to the current function only. For instance, assuming that C supports nested functions (which it does not): void foo() { void bar() { /* do something */ }; bar(); } In this case bar is a nested function for foo and can only be called from foo. Nested functions are useful for creating code blocks that must remain logically seperate but are only useful for a specific function as opposed to the entire module or program.
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