295   ASSERT ((Nbuf != NULL) && (Nbuf->Tcp == NULL) && (TcpVerifySegment (Nbuf) != 0));  in TcpTransmitSegment()
322   Nbuf->Tcp       = Head;  in TcpTransmitSegment()
696   ASSERT (Nbuf->Tcp != NULL);  in TcpRetransmit()
697   NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);  in TcpRetransmit()
698   Nbuf->Tcp = NULL;  in TcpRetransmit()
884       NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);  in TcpToSendData()
885       Nbuf->Tcp = NULL;  in TcpToSendData()
899     ASSERT (Nbuf->Tcp != NULL);  in TcpToSendData()
901     NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);  in TcpToSendData()
902     Nbuf->Tcp = NULL;  in TcpToSendData()
1122   Nbuf->Tcp   = Nhead;  in TcpSendReset()
1195   Head  = Nbuf->Tcp;  in TcpVerifySegment()