
  <li><a href="#types-of-pointer" id="toc-types-of-pointer" class="nav-link" data-scroll-target="#types-of-pointer"><span class="header-section-number">6.2</span> Types of pointer</a></li>
  <li><a href="#pointer-arithmetic" id="toc-pointer-arithmetic" class="nav-link" data-scroll-target="#pointer-arithmetic"><span class="header-section-number">6.3</span> Pointer arithmetic</a></li>
  <li><a href="#optionals-and-optional-pointers" id="toc-optionals-and-optional-pointers" class="nav-link" data-scroll-target