diff --git a/bindings/py3devil1.py b/bindings/py3devil1.py
index fea8911..8abc301 100755
--- a/bindings/py3devil1.py
+++ b/bindings/py3devil1.py
@@ -67,17 +67,20 @@ class Devil1TEX_FN(ctypes.Structure):
                                  ctypes.POINTER(TextureBatchDescriptor))),
         ("getheader",     ctypes.CFUNCTYPE(
                                  ctypes.c_bool, 
-                                 ctypes.POINTER(ctypes.POINTER(TexturePack)),
+                                 ctypes.POINTER(
+                                    ctypes.POINTER(TexturePack)),
                                  ctypes.c_char_p)),
         ("getbatchdesc",    ctypes.CFUNCTYPE(
                                  ctypes.c_bool,
-                                 ctypes.POINTER(TextureBatchDescriptor),
+                                 ctypes.POINTER(
+                                    ctypes.POINTER(TextureBatchDescriptor)),
                                  ctypes.c_uint,
                                  ctypes.c_char_p,
                                  ctypes.c_uint)),
         ("getbatch",        ctypes.CFUNCTYPE(
                                  ctypes.c_bool,
-                                 ctypes.POINTER(TextureBatch),
+                                 ctypes.POINTER(
+                                    ctypes.POINTER(TextureBatch)),
                                  ctypes.c_uint,
                                  ctypes.c_char_p,
                                  ctypes.c_uint)),
@@ -218,8 +221,14 @@ if __name__ == "__main__":
     def textest(devil1tex, texheader):
         with open("pl01.pld_1.txp", "rb") as f:
             data = f.read()
-            texheader = ctypes.cast(data, ctypes.POINTER(TexturePack))
-            devil1tex.printheader(texheader)
+#            texheader = ctypes.cast(data, ctypes.POINTER(TexturePack))
+            th = ctypes.pointer(texheader)
+            devil1tex.getheader(ctypes.byref(th), data)
+            devil1tex.printheader(th)
+            batchdesc = TextureBatchDescriptor()
+            bd = ctypes.pointer(batchdesc)
+            print("\nbatch descriptor:")
+            devil1tex.getbatchdesc(ctypes.byref(bd), 1, data, len(data))
 
     def geotest(devil1geo, geoheader):
         with open("pl00.pld_0", "rb") as f: