[单选题]对于函数BOOL WSAGetOverlappedResult( SOCKET s, LPWSAOVERLAPPED lpOverlapped,LPDWORD lpcbTransfer, BOOL fWait,LPDWORD lpdwFlags )成功返回,关于参数LPDWORD lpcbTransfer的说法正确的是:()
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2024-04-05 10:15:48
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[单选题]对于函数BOOL WSAGetOverlappedResult( SOCKET s, LPWSAOVERLAPPED lpOverlapped,LPDWORD lpcbTransfer, BOOL fWait,LPDWORD lpdwFlags )成功返回,关于参数LPDWORD lpcbTransfer的说法正确的是:()
A.本次重叠操作的实际接收(或发送)的字节数
B.是一个布尔值
C.取得完成状态
D.欲查询结果的重叠结构指针
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