Answer / nadeem khokhar

execution starts from the main function. no function can call it, which means no function can save the returned value from main. then why should we take its return type as we can not use that any where! i do agree to jhill123 that in C we write int main instead of void main, it is used for exception handling.

Answer / jhil123

It is possible if we declare main() function return value
as void. This is because the default return value of main
function in C is int and if one declares it as void it
results in mismatch in declaration and so cannot be
declared as void.

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