function send extends Modelica.Icons.Function; input Modelica_DeviceDrivers.Communication.TCPIPServer tcpipserver; input Integer clientIndex "Index of the TCP/IP client"; input Integer dataSize "Size of data to be sent in byte"; input String data "Data that should be sent"; output Integer dataSent "On success, return the number of bytes sent, 0 if operation would block, -1 on non-fatal error"; end send;