* Massachusetts.
*
* Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
*
* Enhancements Copyright 2005 Alessandro Scotti
*
extern char *yy_text; /* Needed because yytext can be either a char[]
or a (non-constant) char* */
extern int yyoffset P((void));
-extern char initialRights[BOARD_SIZE];
-extern char castlingRights[MAX_MOVES][BOARD_SIZE];
+extern signed char initialRights[BOARD_SIZE];
+extern signed char castlingRights[MAX_MOVES][BOARD_SIZE];