#define IFF_PASSIVE 0x2000 /* can't tell if up/down */
#define IFF_INTERFACE 0x4000 /* hardware interface */
#define IFF_REMOTE 0x8000 /* interface isn't on this machine */
struct interface *if_ifwithaddr();
#define IFF_PASSIVE 0x2000 /* can't tell if up/down */
#define IFF_INTERFACE 0x4000 /* hardware interface */
#define IFF_REMOTE 0x8000 /* interface isn't on this machine */
struct interface *if_ifwithaddr();