long getanswer(int totallength)
{
if(Serial.available())
{
int number;
char ch=Serial.read();
if(isDigit(ch))
{
number=(number*10)+(ch-48);
}
else if(ch==10)
{
totallength=number;
return totallength;
}
}
}
You may have noticed that the return type of "getanswer" is "long", but if you actually return a value, it is only an "int".