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Full concept of return(0), return
I'm confused this concept
1 Resposta
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Returns data from a function to whatever called it. In the case of the main loop, it's returning you to your OS and can provide some form of a status / error (if necessary).
To put it simply, what do you want a function to -return- to you. If you allow it to return data to you, then you can use the results where you originally called it from.