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