title: Warning message: large integer implicitly truncated to unsigned type [-Woverflow]
body: <p>Written a function with <code>unsigned char</code> arguments as shown below</p>
  
  <pre><code>void Address_set(unsigned char x1,unsigned char y1,unsigned char x2,unsigned char y2)
  </code></pre>
  
  <p>The above function is called in <code>main()</code> function of C Code as</p>
  
  <pre><code>Address_set(0,0,239,319);
  </code></pre>
  
  <p>I received a warning as </p>
  
  <p>large integer implicitly truncated to <code>unsigned type [-Woverflow]</code></p>
  
  <p>How to avoid this warning.</p>