#include <stdlib.h> struct A { char a; int b; long long c; }; extern __thread struct A a1, a2, a3, a4; extern struct A *f1a (void); extern struct A *f2a (void); extern struct A *f3a (void); extern struct A *f4a (void); extern struct A *f5a (void); extern struct A *f6a (void); extern struct A *f7a (void); extern struct A *f8a (void); extern struct A *f9a (void); extern struct A *f10a (void); extern int f1b (void); extern int f2b (void); extern int f3b (void); extern int f4b (void); extern int f5b (void); extern int f6b (void); extern int f7b (void); extern int f8b (void); extern int f9b (void); extern int f10b (void); extern void check1 (void); extern void check2 (void);