_d1               324 net/batman-adv/main.h 	typeof(x)_d1 = (x); \
_d1               326 net/batman-adv/main.h 	typeof(x)_dummy = (_d1 - _d2); \
_d1               327 net/batman-adv/main.h 	(void)(&_d1 == &_d2); \