pointersAsArguments.ino

int num = 5;

void setup() {
  Serial.begin(57600);
  delay(1000);

  Serial.print("Num is: ");
  Serial.println(num);
  bFunction(&num);

  Serial.print("Num is: ");
  Serial.println(num);
  bFunction(&num);
}

void loop() {
  
}

void bFunction(int* input){
  Serial.print("bFunction says first: ");
  Serial.println(*input);
  *input = *input + 1;
  Serial.print("bFunction says second: ");
  Serial.println(*input);
}