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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                #### 局部與全局 #### C語言中的變量,按作用域范圍可分為兩種,即**局部變量和全局變量**。 **局部變量也稱為內部變量。局部變量是在函數內作定義說明的。其作用域僅限于函數內, 離開該函數后再使用這種變量是非法的。在復合語句中也可定義變量,其作用域只在復合語句范圍內。** **全局變量也稱為外部變量,它是在函數外部定義的變量。它不屬于哪一個函數,它屬于一個源程序文件。其作用域是整個源程序。** ![](http://i.imgur.com/PLhDqTO.png)
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