ifru_hwaddr       357 include/linux/compat.h 		struct	sockaddr ifru_hwaddr;
ifru_hwaddr       243 include/uapi/linux/if.h 		struct  sockaddr ifru_hwaddr;
ifru_hwaddr       257 include/uapi/linux/if.h #define ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address 		*/