Pastable version of I learn getopt

<pre class='prettyprint' language='c'>#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;unistd.h&gt;

void usage();

int main(int argc, char* argv[])
{
	char c;
	char *name;
	
	while ((c = getopt (argc, argv, &quot;i:h&quot;)) != -1)
    {
      switch (c)
	{
	case 'i':	/* interface name */
	  printf(&quot;I'm a i\n&quot;);
	  name = optarg;
          printf(&quot;%c\n&quot;,name);
	  break;
	case '?':
	  if (isprint (optopt))
	    fprintf (stderr, &quot;Unknown option `-%c'.\n&quot;, optopt);
	  else
	    fprintf (stderr,
		     &quot;Unknown option character `\\x%x'.\n&quot;,
		     optopt);
	case 'h':
	default:
	  usage();
	  exit(1);
	}
    }
}

void usage (void)
{
  printf(&quot;Usage: ./counterdump &lt;options&gt; \n\n&quot;);
  printf(&quot;Options: -i &lt;iface&gt; : interface name (default nf2c0)\n&quot;);
  printf(&quot;         -h : Print this message and exit.\n&quot;);
}</pre>
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Pastable version of I learn getopt