title: How to convert short to ASCII?
body: <p>What is the best way(optimized by speed) to  convert a short number to ascii in <strong>C</strong> (-1,5,1000 to "-1","5","1000").</p>
  
  <p>I need it for embedded MCU, so the <code>sprintf()</code> is not an option.</p>
  
  <p>Thanks</p>