Not implemented. Returns '0'. Contains the information required for a netstat-like 'Flags' field. The flags field represents a decimal value of the flags specified for a given route. The following is a list of currently available flag values: 0x1 | - route is usable (that is, 'up') 0x2 | - destination is a gateway 0x4 | - host specific routing entry 0x8 | - host or net unreachable 0x10 | - created dynamically (by redirect) 0x20 | - modified dynamically (by redirect) 0x40 | - message confirmed 0x80 | - subnet mask present 0x100 | - generate new routes on use 0x200 | - external daemon resolves name 0x400 | - generated by ARP 0x800 | - manually added (static) 0x1000 | - just discard packets (during updates) 0x2000 | - modified by management protocol 0x4000 | - protocol specific routing flag 0x8000 | - protocol specific routing flag For example, if the entry in the Routing Table has a flag value of decimal 5, (0x1 OR'ed with 0x4), then this route is 'up' and usable and is host-specific.