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This intended for Arduino (C++)
I need to use the serial string
[code]//from SerialEvent
String inputString = ""; // a string to hold incoming data
boolean stringComplete = false; //...

I have

char msg[] = (echoOut,inputString.length())+1); //char
or
Serial.begin(9600);
inputString.reserve(40); //(200
char msg[] = "(inputString)"; //char
Serial.println("connecting...