1 typedef struct 2 { 3 int a, b; 4 } T; 5 f(T * bs)6 f (T *bs) 7 { 8 long long x; 9 x = ({ 10 union { T s; long long l; } u; 11 u.s = *bs; 12 u.l; 13 }); 14 } 15