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cc3200 udp中sl_RecvFrom函数问题



在不考虑连接质量的前提下,我想做一个UDP无线传输试验,请问sl_RecvFrom(iSockID, g_cBsdBuf, sTestBufLen, 0,( SlSockAddr_t *)&sAddr,(SlSocklen_t*)&iAddrSize ); 这个函数中的( SlSockAddr_t *)&sAddr和(SlSocklen_t*)&iAddrSize我应该填什么呢?能直接填IP地址吗?还是填g_ulGatewayIP