Add native Windows binary for bison.

bison/src/bison/2.4.1/bison-2.4.1-src/src/uniqstr.h

+/* Keeping a unique copy of strings.
+
+   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+
+   This file is part of Bison, the GNU Compiler Compiler.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef UNIQSTR_H_
+# define UNIQSTR_H_
+
+/*-----------------------------------------.
+| Pointers to unique copies of C strings.  |
+`-----------------------------------------*/
+
+typedef char const *uniqstr;
+
+/* Return the uniqstr for STR.  */
+uniqstr uniqstr_new (char const *str);
+
+/* Two uniqstr values have the same value iff they are the same.  */
+#define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2))
+
+/*--------------------------------------.
+| Initializing, destroying, debugging.  |
+`--------------------------------------*/
+
+/* Create the string table.  */
+void uniqstrs_new (void);
+
+/* Die if STR is not a uniqstr.  */
+void uniqstr_assert (char const *str);
+
+/* Free all the memory allocated for symbols.  */
+void uniqstrs_free (void);
+
+/* Report them all.  */
+void uniqstrs_print (void);
+
+#endif /* ! defined UNIQSTR_H_ */