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What is nesting of functions?

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Nesting of functions : In C, each function can contain one or more than one function in it. There is no limit as to how deeply functions can be nested. Consider the following example,




 

function main(){
     function01();
     }

function function01(){
     function02();
     }

function function02(){
     //do something more here.
     }

In the above example, The main() function contains function01(), the function01() contains function02 and so on. This is nesting of functions.

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