title: using void with printf function
body: <pre><code>#include &lt;stdio.h&gt;
  
  char char1;     /* first character */
  char char2;     /* second character */
  char char3;     /* third character */
  
  main()
  {
  
    char1 = 'A';
    char2 = 'B';
    char3 = 'C';
    (void)printf("%c%c%c reversed is %c%c%c\n",
          char1, char2, char3,
          char3, char2, char1);
    return (0);
  }
  </code></pre>
  
  <p>Why we use void with the printf function?
  what are use of void with the printf function?</p>