[問題] 指標變數加星號的差別
最近寫程式用到指標變數
卻不小心亂掉了
如果在main中宣告一個指標變數
void main()
{
int *a; //是一個指標變數
a=... //可以通過編譯
*a=... //可以通過編譯
}
我知道*a用在副程式中視表示傳址呼叫
但是像這樣在main裡面使用 a 和 *a 的差別是什麼呢?
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