taglinefilesource code
ifr_hwaddr1255net/inet/dev.cmemcpy(ifr.ifr_hwaddr.sa_data,dev->dev_addr, MAX_ADDR_LEN);
ifr_hwaddr1256net/inet/dev.cifr.ifr_hwaddr.sa_family=dev->type;      
ifr_hwaddr1264net/inet/dev.cif(ifr.ifr_hwaddr.sa_family!=dev->type)
ifr_hwaddr1266net/inet/dev.cret=dev->set_mac_address(dev,ifr.ifr_hwaddr.sa_data);