1typedef struct objc_class *Class;
2
3typedef struct objc_object {
4  Class isa;
5} *id;
6
7@interface nsset
8+ (id)set;
9@end
10
11@interface baz
12- (void)set;
13@end
14
15nsset *fn ()
16{
17  nsset *bar;
18  bar = [nsset set];
19}
20