[問題] 轉型and function pointer
http://codepad.org/hlovKWlF
這是我在網路上,抓來研究改的code
1.第7行不寫似乎不行
中間牽扯到許多轉型,可是看不出個所以然!
2.第44行
呼叫時
items[0]->print(items[0]);
^^^
為什麼傳的參數不是寫 &items[0]
函數宣告不是這樣嗎?
void printBook(struct SaleItem *book)
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