__b                47 lib/gnu/stdalign.in.h    template <class __t> struct __alignof_helper { char __a; __t __b; };
__b                48 lib/gnu/stdalign.in.h # define _Alignof(type) offsetof (__alignof_helper<type>, __b)
__b                50 lib/gnu/stdalign.in.h # define _Alignof(type) offsetof (struct { char __a; type __b; }, __b)