Split a string into two integer values

I can hold the data as a float if I need to,

I am using the sensornet example from the RF24network lib.

here is the code

void loop(void)
{
  // Update objects
  theUpdater.update();

  // Pump the network regularly
  network.update();

  // If we are the base, is there anything ready for us?
  while ( network.available() )
  {
    // If so, grab it and print it out
    RF24NetworkHeader header;
    S_message message;
//    network.read(header,&message,sizeof(message));
    network.read(header,&message,sizeof(message));

  printf_P(PSTR("%lu: APP Received #%u %s from 0%o\n\r"),millis(),header.id,message.toString(),header.from_node);
 // printf_P(PSTR("%lu: #%u %s from 0%o\n\r"),millis(),header.id,message.toString(),header.from_node);
//Serial.println(header.id);
rec = header.from_node -1;
Serial.println(message.toString());
Serial.println(rec);
  }

  // If we are the kind of node that sends readings, AND it's time to send
  // a reading AND we're in the mode where we send readings...
  if ( this_node.address > 0 && ( ( Sleep && ! test_mode ) || send_timer.wasFired() ) && ! calibration_mode && ! startup_leds )
  {
    // Transmission beginning, TX LED ON
    Yellow = true;
    if ( test_mode )
    {
      Green = false;
      Red = false;
    }

    int i;
    S_message message;
    
    // Take the temp reading 
    i = num_measurements;
    uint32_t reading = 0;
    while(i--)
      reading += analogRead(temp_pin);

    // Convert the reading to celcius*256
    // This is the formula for MCP9700.
    // C = reading * 1.1
    // C = ( V - 1/2 ) * 100
    message.temp_reading = ( reading ) >> 16;

    // Take the voltage reading 
    i = num_measurements;
    reading = 0;
    while(i--)
      reading += analogRead(voltage_pin);

    // Convert the voltage reading to volts*256
    message.voltage_reading = analogRead(voltage_pin); 

    printf_P(PSTR("---------------------------------\n\r"));
    printf_P(PSTR("%lu: APP Sending %s to 0%o...\n\r"),millis(),message.toString(),0);
    
    // Send it to the base
    RF24NetworkHeader header(/*to node*/ 0, /*type*/ test_mode ? 's' : 'S');
    bool ok = network.write(header,&message,sizeof(message));
    if (ok)
    {
      if ( test_mode )
	Green = true;
      printf_P(PSTR("%lu: APP Send ok\n\r"),millis());
    }
    else
    {
      if ( test_mode )
	Red = true;
      printf_P(PSTR("%lu: APP Send failed\n\r"),millis());
    }

    // Transmission complete, TX LED OFF
    Yellow = false;
   
    if ( Sleep && ! test_mode ) 
    {
      // Power down the radio.  Note that the radio will get powered back up
      // on the next write() call.
      radio.powerDown();

      // Be sure to flush the serial first before sleeping, so everything
      // gets printed properly
      Serial.flush();
      
      // Sleep the MCU.  The watchdog timer will awaken in a short while, and
      // continue execution here.
      Sleep.go();
    }
  }

  // Button
  unsigned a = ButtonA.wasReleased();
  if ( a && a < 500 )
  {
    // Pressing the button during startup sequences engages test mode.
    // Pressing it after turns off test mode.
    if ( startup_leds )
      test_mode = true;
    else if ( test_mode )
    {
      test_mode = false;
      Green = false;
      Red = false;
    }
    else if ( calibration_mode )
    {
      calibration_mode = false;
      test_mode = true;
      calibration_leds.disable();
    }
  }

  // Long press
  if ( ButtonLong.wasPressed() && test_mode )
  {
    test_mode = false;
    calibration_mode = true;
    calibration_leds.reset();
  }

  // Listen for a new node address
  nodeconfig_listen();
}

The data can be stored as a double or a float. As long as I can do maths on it. I'm reading the data from remote arduino's talking over the Nordic nRF24L01+ radios. and I want the central arduino to display the values on a local LCD display.