getBos1(void)1*67e74705SXin Li int getBos1(void) { 2*67e74705SXin Li return __builtin_object_size(p, 0); 3*67e74705SXin Li } 4*67e74705SXin Li 5*67e74705SXin Li #define IS_CONST(x) __builtin_constant_p(x) 6