gutter-cell" unselectable="on"></span>  <span class="ace_keyword ace_control">return</span> <span class="ace_constant ace_numeric">0</span><span class="ace_punctuation ace_operator">;</span>
</div><div class="ace_line"><span class="ace_gutter ace_gutter-cell" unselectable="on"></span><span class="ace_paren ace_rparen">}</span>
</div></div></div></div><div class="cell markdown-cell"><ol start="3">
<li>使用gcc对C语言源文件进行编译和链接。</li>
</ol>
</div><div class="cell code-cell"><div class