I don't understand what the discussion is, the standard says the main function should have a return type of int, that should be the end of it, if some random be

I don't understand what the discussion is, the standard says the main function should have a return type of int, that should be the end of it, if some random beginner argues "but it works for me", there's not really much you can do, people will continue to write incorrect programs if they want to.