What is the significance of saying main() returns int and returning nothing in body?
<h3>Duplicate</h3>

<blockquote>
  <p><a href="http://stackoverflow.com/questions/22239/why-does-int-main-compile">http://stackoverflow.com/questions/22239/why-does-int-main-compile</a></p>
</blockquote>

<p>What is the significance of saying main() returns int and returning nothing in body?</p>
