How to change size of readstring() in client.read() on Arduino Ethernet?

Using Arduino Programming Questions
12

That's the right one!

char offarray[] ="off";
char tBuf[64];

 if(strstr(tBuf,offarray) != NULL)//checks for off

          {

            digitalWrite(9,HIGH);    // set pin 4 low
            Serial.println("Led On");
            Serial.println(tBuf);
            delay(500);

          }