Where does it return to?
It returns to the calling function. When you return from mode1(), the next line of code executed is the one following the call to mode1().
or maybe, where should I tell it to return to?
You can't, so don't worry about it.
Where does it return to?
It returns to the calling function. When you return from mode1(), the next line of code executed is the one following the call to mode1().
or maybe, where should I tell it to return to?
You can't, so don't worry about it.