73   SOCKET  *Sk;  in TcpRcvWinNow()  local
78   Sk = Tcb->Sk;  in TcpRcvWinNow()
79   ASSERT (Sk != NULL);  in TcpRcvWinNow()
83   Win       = SockGetFreeSpace (Sk, SOCK_RCV_BUF);  in TcpRcvWinNow()
95   if ((Increase > Tcb->SndMss) || (2 * Increase >= GET_RCV_BUFFSIZE (Sk))) {  in TcpRcvWinNow()
126     Wnd = GET_RCV_BUFFSIZE (Tcb->Sk);  in TcpComputeWnd()
181   SOCKET  *Sk;  in TcpDataToSend()  local
187   Sk = Tcb->Sk;  in TcpDataToSend()
188   ASSERT (Sk != NULL);  in TcpDataToSend()
215   Left  = GET_SND_DATASIZE (Sk) + TCP_SUB_SEQ (TcpGetMaxSndNxt (Tcb), Tcb->SndNxt);  in TcpDataToSend()
346     } else if ((Seg->End == Tcb->SndNxt) && (GET_SND_DATASIZE (Tcb->Sk) == 0)) {  in TcpTransmitSegment()
391   return TcpSendIpPacket (Tcb, Nbuf, &Tcb->LocalEnd.Ip, &Tcb->RemoteEnd.Ip, Tcb->Sk->IpVersion);  in TcpTransmitSegment()
561   ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL));  in TcpGetSegmentSock()
586     DataGet = SockGetDataToSend (Tcb->Sk, 0, Len, Data);  in TcpGetSegmentSock()
598     SockDataSent (Tcb->Sk, DataGet);  in TcpGetSegmentSock()
784   ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL) && (Tcb->State != TCP_LISTEN));  in TcpToSendData()
846           (GET_SND_DATASIZE (Tcb->Sk) == 0) &&  in TcpToSendData()