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