n class="comment"> */</span>
<span class="keyword">static</span> <span class="keyword">struct </span>pt codelock_pt, input_pt;
<span class="comment">/*---------------------------------------------------------------------------*/</span>
<span class="comment">/*</span>
<span class="comment"> * The following code implements a simple key input. Input is made</span>
<span class="comment"> * with the press_key() function, and the function key_pressed()</span>
<span class="comment"> * checks if a key has bee