_d2               325 net/batman-adv/main.h 	typeof(y)_d2 = (y); \
_d2               326 net/batman-adv/main.h 	typeof(x)_dummy = (_d1 - _d2); \
_d2               327 net/batman-adv/main.h 	(void)(&_d1 == &_d2); \