[1.3.1 return](1.3.1%20return.md) [1.3.2 輸入輸出流](1.3.2%E8%BE%93%E5%85%A5%E8%BE%93%E5%87%BA%E6%B5%81.md) [1.3.3 putchar 和 getchar](1.3.3%20putchar%E5%92%8Cgetchar.md) [1.3.4 用const定義常變量](1.3.4%E7%94%A8const%E5%AE%9A%E4%B9%89%E5%B8%B8%E5%8F%98%E9%87%8F.md) [1.3.5 函數原型聲明](1.3.5%E5%87%BD%E6%95%B0%E5%8E%9F%E5%9E%8B%E5%A3%B0%E6%98%8E.md) [1.3.6 內置函數](1.3.6%E5%86%85%E7%BD%AE%E5%87%BD%E6%95%B0.md) [1.3.7 函數重載](1.3.7%E5%87%BD%E6%95%B0%E9%87%8D%E8%BD%BD.md) [1.3.8 函數模板](1.3.8%E5%87%BD%E6%95%B0%E6%A8%A1%E6%9D%BF.md) [1.3.9 有默認值的參數](1.3.9%E6%9C%89%E9%BB%98%E8%AE%A4%E5%80%BC%E7%9A%84%E5%8F%82%E6%95%B0.md) [1.3.10 作用域](1.3.10%E4%BD%9C%E7%94%A8%E5%9F%9F.md) [1.3.11 const修飾指針](1.3.11const%E4%BF%AE%E9%A5%B0%E6%8C%87%E9%92%88.md) [1.3.12 引用](1.3.12%E5%BC%95%E7%94%A8.md) [1.3.13 生命期](1.3.13%E7%94%9F%E5%91%BD%E6%9C%9F.md) [1.3.14 變量](1.3.14%E5%8F%98%E9%87%8F.md) [1.3.15 字符串變量](1.3.15%E5%AD%97%E7%AC%A6%E4%B8%B2%E5%8F%98%E9%87%8F.md)