if_getaddrlen
uint8_t if_getaddrlen(if_t ifp);
nlattr_add(nw, IFLAF_ORIG_HWADDR, if_getaddrlen(ifp),
if (if_getaddrlen(ifp) != 0) {
nlattr_add(nw, IFLA_BROADCAST, if_getaddrlen(ifp),
int addrlen = if_getaddrlen(wa->ifp);
int addrlen = if_getaddrlen(attrs.nda_ifp);
if_getaddrlen(dev), MAX_ADDR_LEN);
if_getaddrlen(dev), MAX_ADDR_LEN);
if_getaddrlen(dev), MAX_ADDR_LEN);
if_getaddrlen(ifp), MAX_ADDR_LEN);
if_getaddrlen(ifp), MAX_ADDR_LEN);
if (if_getaddrlen(dev) != ETH_ALEN)