[問題] 關於變數前加void
開發平台(Platform): (Ex: VC++, GCC, Linux, ...)
Linux gcc
額外使用到的函數庫(Library Used): (Ex: OpenGL, ...)
問題(Question):
研究tftp的source code時,發現他會對傳入的變數前加void
雖然argc 和argv 在這個函數內沒用到,但有必要
去加void來變型嗎?這有什麼特別的意義?謝謝
void xxxx (int argc, char *argv[])
{
(void)argc;
(void)argv;
以下省略
}
餵入的資料(Input):
預期的正確結果(Expected Output):
錯誤結果(Wrong Output):
程式碼(Code):(請善用置底文網頁, 記得排版)
補充說明(Supplement):
--
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