if_newaddr
if_newaddr(u_short if_index, struct sockaddr *ifa, struct sockaddr *mask,
if_newaddr(unsigned short ifindex, struct sockaddr *ifa, struct sockaddr *mask,
if_newaddr(unsigned short ifindex, struct sockaddr *ifa, struct sockaddr *mask,
if_newaddr(u_short ifindex, struct sockaddr_in6 *ifa, struct sockaddr_in6 *mask,
if_newaddr(u_short ifindex, struct sockaddr_in *ifa, struct sockaddr_in *mask,