What is an `extern` function in C? - Jim Fisher
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What is an extern function in C? ... Applied to a function declaration, the extern keyword in fact does nothing: the declaration extern int incr(int) is ... WhatisanexternfunctioninC? EarlierIshowedtheCexternkeywordappliedtovariabledeclarations. Moregenerally,externc
延伸文章資訊
- 1函式（Functions） 函式的用途 - 靜宜大學資訊學院
外部函式（external function）是指定義在其它檔案之中的函. 式。外部函式必須先宣告才能呼叫。其宣告方式如下： extern type function_name ( parame...
- 2How to use an extern variable in C? - The UNIX School
- 3意見反應 - Microsoft Docs
extern 關鍵字可以套用至全域變數、函式或範本宣告。The extern keyword may be applied to a global variable, function, or ...
- 4Effects of the extern keyword on C functions - Stack Overflow
The extern keyword informs the compiler that the function or variable has external linkage - in o...
- 5C 的extern 用法 - XYZ的筆記本
變數使用前要先宣告(declaration)，C 的extern 關鍵字，用來表示此變數已經在 ... 您好，我這樣寫確實不好，而且沒發現沒宣告function prototype
