try
**new code
const char * readBytes(char *inArray, int arraySize)
{
//send in an empty allocated array of your choosing
int m = 0;
while (m < arraySize)
{
if (Serial.available())
{
inArray[m++] = Serial.read();
}
}
return inArray;
}
Java and modern languages have garbage collection. Even Objective C didn't have GC until recently. You had to clean up your own mess. GC does add extra resources to the app. You'll never see it in the Arduino.