>
  <a href="/introduction/pointer/">指针</a></li>
<li>
  <a href="/introduction/if_else/">if/else</a></li>
<li>
  <a href="/introduction/inc_and_dec/">自增自减</a></li>
<li>
  <a href="/introduction/for/">for</a></li>
<li>
  <a href="/introduction/range/">range</a></li>
<li>
  <a href="/introduction/switch/">switch</a></li>
<li>
  <a href="/introduction/goto/">goto / 标签</a></li>
<li>
  <a href="/introduction/visable/">可见性</a></li>
<li>
  <a href="/introduction/scope/">作用域</a></li>
</u