diff --git a/lib/dusbextreme.d b/lib/dusbextreme.d
index c7b552f..47cb27b 100644
--- a/lib/dusbextreme.d
+++ b/lib/dusbextreme.d
@@ -13,6 +13,11 @@ struct usb_extreme_base {
     uint8_t[10] empty2;
 }
 
+enum UsbExtremeVersion  {
+    V0 = 0x00,
+    V1
+}
+
 extern(C) int is_oue(immutable(void)* headers, immutable(size_t) headerslen) {
     immutable headers_oeu = cast(immutable usb_extreme_base*) headers;
     immutable headers_nlen = headerslen / USBEXTREME_HEADER_SIZE;
@@ -27,3 +32,19 @@ extern(C) int is_oue(immutable(void)* headers, immutable(size_t) headerslen) {
     
     return 1;
 }
+
+extern(C) UsbExtremeVersion get_version(uint8_t usbExtremeVersion) {
+    switch (usbExtremeVersion) {
+        case 0: {
+            return UsbExtremeVersion.V0;
+        }
+
+        case 1: {
+            return UsbExtremeVersion.V1;
+        }
+
+        default: {
+            return UsbExtremeVersion.V1;
+        }
+    }
+}
diff --git a/lib/usbextreme.c b/lib/usbextreme.c
index ad43ef5..cf631d6 100644
--- a/lib/usbextreme.c
+++ b/lib/usbextreme.c
@@ -1,22 +1,6 @@
 #include <usbextreme.h>
 #include <string.h>
 
-usb_extreme_versions get_version(u8 version) {
-    switch (version) {
-        case 0: {
-            return  USB_EXTREME_V0;
-        }
-
-        case 1: {
-            return USB_EXTREME_V1;
-        }
-
-        default: {
-            return USB_EXTREME_V1;
-        }
-    }
-}
-
 int oue_point_headers(usb_extreme_base **headers, void *raw_headers, size_t headerslen) {
     int headers_nlen;