on-lisp.net/trivial-utf-8/trivial-utf-8/-//blob/99770fec83d612cbda1141f0fe04f1c95d9cf043/trivial-utf-8.lisp#L69">[function]</a></span> <span class="reference-object"><a href="#x-28TRIVIAL-UTF-8-3ASTRING-TO-UTF-8-BYTES-20FUNCTION-29" >STRING-TO-UTF-8-BYTES</a></span></span> <span class="locative-args">STRING &amp;KEY NULL-TERMINATE</span></span></p>

<p>Convert <code>STRING</code> into an array of unsigned bytes containing its UTF-8
representation. If <code>NULL-TERMINATE</code>, add an extra 0 byte at the e