@@ -202,7 +202,7 @@ tuntap_defined (const struct tuntap *tt)

 void clear_tuntap (struct tuntap *tuntap);

 void open_tun (const char *dev, const char *dev_type, const char *dev_node,

-	       bool ipv6, struct tuntap *tt);

+	       struct tuntap *tt);

 void close_tun (struct tuntap *tt);

@@ -211,7 +211,7 @@ int write_tun (struct tuntap* tt, uint8_t *buf, int len);

 int read_tun (struct tuntap* tt, uint8_t *buf, int len);

 void tuncfg (const char *dev, const char *dev_type, const char *dev_node,

-	     bool ipv6, int persist_mode, const char *username,

+	     int persist_mode, const char *username,

 	     const char *groupname, const struct tuntap_options *options);

 const char *guess_tuntap_dev (const char *dev,