</i> <span class="nav-page-text"><span class="chapter-number">4</span>&nbsp; <span class="chapter-title">Project 1 - Building a base64 encoder/decoder</span></span>
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        <span class="nav-page-text"><span class="chapter-number">6</span>&nbsp; <span class="chapter-title">Pointers and Optionals</span></span> <i class="bi bi-arrow-right