diff --git a/source/libtun/adapter.d b/source/libtun/adapter.d
index 916934d..390def8 100644
--- a/source/libtun/adapter.d
+++ b/source/libtun/adapter.d
@@ -9,7 +9,7 @@ import core.stdc.stdio;
 /**
 * TUN maintenance routines in `test.c`
 */
-extern (C) int createTun(char* interafce);
+extern (C) int createTun(char* interfaceName, short iffFlags);
 extern (C) int destroyTun(int fd);
 
 public class TUNAdapter
@@ -23,7 +23,7 @@ public class TUNAdapter
     {
         int tunFD = open(cast(char*)"/dev/net/tun", _F_RDWR);
         writeln(tunFD);
-        writeln(createTun(cast(char*)""));
+        writeln(createTun(cast(char*)"", 1));
         writeln(destroyTun(1));
         ioctl(0,0,cast(void*)0);
     }
diff --git a/source/libtun/tunctl.c b/source/libtun/tunctl.c
index cdb0c8d..6e02e45 100644
--- a/source/libtun/tunctl.c
+++ b/source/libtun/tunctl.c
@@ -18,10 +18,16 @@
 #include<linux/if_tun.h>
 #include<fcntl.h>
 
-int createTun(char* interfaceName)
+int createTun(char* interfaceName, short iffFlags)
 {
     /* TODO: Add all required error checking */
     int tunFD = open("/dev/net/tun", O_RDWR);
+
+    struct ifreq interfaceReqData;
+
+    interfaceReqData.ifr_flags = iffFlags;
+
+
     return 69;
 }