1 struct Foo { 2 int *p; 3 struct X { 4 int a,b,c,d,e,*f; 5 } x; 6 } *init, *init2; 7 8 struct X __attribute__((const)) foo(struct X); 9 struct Foo __attribute__((const)) foo2(struct Foo); 10 bar1(void)11void bar1 (void) 12 { 13 init->x = foo (init2->x); 14 } bar2(void)15void bar2 (void) 16 { 17 init->x = foo (init->x); 18 } bar3(void)19void bar3 (void) 20 { 21 *init = foo2 (*init2); 22 } 23