2016-11-18 20 views

回答

0

從手冊頁:

dlclose() 
     The function dlclose() decrements the reference count on the dynamic 
     library handle handle. If the reference count drops to zero and no 
     other loaded libraries use symbols in it, then the dynamic library is 
     unloaded. 

芹苴我敢打賭,這是空操作,當你調用它的「主」處理

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