title: initialize this buffer uint8*
body: <p>I have this typedef</p>
  
  <pre><code>typedef unsigned char uint8;
  </code></pre>
  
  <p>and this variable</p>
  
  <pre><code>public : uint8* bufferOfExchange;
  </code></pre>
  
  <p>how could I initialize this buffer?</p>
  
  <pre><code>bufferOfExchange = ???
  </code></pre>