title: What does signal(SIGPIPE, SIG_IGN); do?
body: <p>I know the individual uses of <code>SIGPIPE</code> and <code>SIGIGN</code>.</p>
  
  <p>What does </p>
  
  <pre><code>signal(SIGPIPE, SIG_IGN);
  </code></pre>
  
  <p>exactly do?</p>