init: init nachos hw01

usr/local/nachos/lib/gcc-lib/decstation-ultrix/2.95.2/include/iso646.h

@@ -0,0 +1,15 @@
+/* Macros for C programs written in national variants of ISO 646.  */
+
+#ifndef __cplusplus
+#define and	&&
+#define and_eq	&=
+#define bitand	&
+#define bitor	|
+#define compl	~
+#define not	!
+#define not_eq	!=
+#define or	||
+#define or_eq	|=
+#define xor	^
+#define xor_eq	^=
+#endif