工具条此函数在应用程序中初始化Windows Sockets DLL ，只有此函数调用成功后，应用程序才可以再调用其他Windows Sockets DLL中的API函数。在程式中调用该函数的形式如下：WSAStartup((WORD)((1<<8 1)，（LPWSADATA）&WSAData)，其中(1<<8 1)表示我们用的是WinSocket1.1版本，WSAata用来存储系统传回的关于WinSocket的资料。-tools of this function in the application process DLL initialization Windows Sockets, only this function call is successful, the application can only call other Windows Sockets API DLL function. Calling the program in the form of this function is as follows : WSAStartup ((WORD) ((1LT; Lt; 8 1), (LPWSADATA) WSAData), (1LT; Lt; 8 1), we use the WinSocket1.1 version WSAata department store EC came back on Winsocket information.