diff --git a/typedefExtention.h b/typedefExtention.h
index d8d957e..9f589d2 100644
--- a/typedefExtention.h
+++ b/typedefExtention.h
@@ -13,5 +13,39 @@ typedef unsigned char uchar;
 typedef unsigned int  uint;
 typedef unsigned long ulong;
 
+typedef enum bool {false=0, true=1};
+
+#define BIT00 1ul << 00
+#define BIT01 1ul << 01
+#define BIT02 1ul << 02
+#define BIT03 1ul << 03
+#define BIT04 1ul << 04
+#define BIT05 1ul << 05
+#define BIT06 1ul << 06
+#define BIT07 1ul << 07
+#define BIT08 1ul << 08
+#define BIT09 1ul << 09
+#define BIT10 1ul << 10
+#define BIT11 1ul << 11
+#define BIT12 1ul << 12
+#define BIT13 1ul << 13
+#define BIT14 1ul << 14
+#define BIT15 1ul << 15
+#define BIT16 1ul << 16
+#define BIT17 1ul << 17
+#define BIT18 1ul << 18
+#define BIT19 1ul << 19
+#define BIT20 1ul << 20
+#define BIT21 1ul << 21
+#define BIT22 1ul << 22
+#define BIT23 1ul << 23
+#define BIT24 1ul << 24
+#define BIT25 1ul << 25
+#define BIT26 1ul << 26
+#define BIT27 1ul << 27
+#define BIT28 1ul << 28
+#define BIT29 1ul << 29
+#define BIT30 1ul << 30
+#define BIT31 1ul << 31
 
 #endif /* TYPEDEFEXTENTION_H_ */