Will changing the upper case to lower case can shorten the length of string?
<p>Will changing the upper case to lower case can shorten the length of string? </p>

<pre><code>void lower(char *s)
{
  int i;
  for (i=0;i&lt;strlen(s);i++)
     if(s[i])&gt;='A' &amp;&amp; s[i]&lt;='Z')
       s[i]-=('A'-'a');
}
</code></pre>
