title: How to check if a character is an extended ascii character in C?
body: <p>Every time i do something similar to the condition below i get a Multicharacter warning.</p>
  
  <pre><code>    char str[] = "León";
  
      if(str[2] == 'ó') printf(true);
  </code></pre>
  
  <p>How can i solve this?</p>