AtkStateSet* atk_state_set_and_sets ( AtkStateSet* set, AtkStateSet* compare_set )
Constructs the intersection of the two sets, returning
NULL if the
intersection is empty.
The data is owned by the caller of the method.
AtkStateSet which is the intersection of
the two sets.
|The caller of the method takes ownership of the data, and is responsible for freeing it.|