--- a/common.h	Sat Jul 28 17:57:37 2012 +0300
+++ b/common.h	Sun Jul 29 04:02:07 2012 +0300
@@ -117,6 +117,13 @@
 }
 
 // Byte datatype
-typedef unsigned long int byte;
+typedef unsigned long int word;
+
+// Keywords
+#define NUM_KEYWORDS 20
+#ifndef __MAIN_CXX__
+extern const char** g_Keywords;
+#endif
+bool IsKeyword (str s);
 
 #endif // __COMMON_H__
\ No newline at end of file