1 files changed, 7 insertions, 0 deletions
diff --git a/include/u.h b/include/u.h
index 87d5080..333d6b2 100644
--- a/include/u.h
+++ b/include/u.h
@@ -41,12 +41,19 @@ typedef uint32 rune;
 /* pointer address */
 typedef ADDR intptr;
 typedef unsigned ADDR uintptr;
+typedef ADDR address_t;
+typedef REG  register_t;
+typedef unsigned REG uregister_t;
+
+/* variable length list */
+typedef __builtin_va_list va_list;
 
 #undef INT8
 #undef INT16
 #undef INT32
 #undef INT64
 #undef ADDR
+#undef REG
 
 // ------------------------------------------------------------------
 // global constants