                   = 0x000000cf  TUNGETFILTER                     = 0x000000db  TUNGETIFF                        = 0x000000d0  TUNGETSNDBUF                     = 0x000000d0  TUNGETVNETBE                     = 0x000000df  TUNGETVNETHDRSZ                  = 0x000000d0  TUNGETVNETLE                     