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Declarations and Initializations - Programming

Q1:

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.

A True

B False

ANS:A - True

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.