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If the definition of the external variable occurs in the source file before its use in a particular function, then there is no need for an extern declaration in the function. ?->(Show Answer!)
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1. If the definition of the external variable occurs in the source file before its use in a particular function, then there is no need for an extern declaration in the function.



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  • By: guest on 01 Jun 2017 06.01 pm
    True, When a function is declared inside the source file, that function(local function) get a priority than the extern function. So there is no need to declare a function as extern inside the same source file.
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