Index: contrib/arch/hadlbppp.py
===================================================================
--- contrib/arch/hadlbppp.py	(revision 28f4adbc5088d8d67ea408f56eb3b35838031e6a)
+++ contrib/arch/hadlbppp.py	(revision 5863a959af18806c1614f4e48c74aaa5170f0f82)
@@ -1151,5 +1151,5 @@
 					continue
 				
-				if ((token == "ipcarg_t") or (token == "unative_t")):
+				if (token == "sysarg_t"):
 					output += "\n%s%s " % (tabs(indent), token)
 					context.add(PROTOTYPE)