$*$ Given a pointer to an aisle and a section index, return the spaces of the

$*$ section at the given index of the given aisle. The returned short should

$*$ have the least $10$ significant bits set to the spaces and the $6$ most

$*$ significant bits set to $0.$

$*$

$*$ Can assume the index is a valid index $(0-3$ inclusive$).$

$*/$

unsigned short get$\_$spaces$($unsigned long$*$ aisle, int index$)\{$

$//$ TODO: implement this method

return $($unsigned short$)((*$aisle $>>($index $*$ NUM$\_$SPACES$))$ & SPACES$\_$MASK$)$;

$\}$