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diff --git a/src/libswift/getopt_win.h b/src/libswift/getopt_win.h
new file mode 100644
index 0000000..d95d6cf
--- /dev/null
+++ b/src/libswift/getopt_win.h
@@ -0,0 +1,110 @@
+/*      $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $    */
+/*      $FreeBSD: src/include/getopt.h,v 1.1 2002/09/29 04:14:30 eric Exp $ */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Dieter Baron and Thomas Klausner.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _GETOPT_H_
+#define _GETOPT_H_
+
+#ifdef _WIN32
+/* from <sys/cdefs.h> */
+# ifdef  __cplusplus
+#  define __BEGIN_DECLS  extern "C" {
+#  define __END_DECLS    }
+# else
+#  define __BEGIN_DECLS
+#  define __END_DECLS
+# endif
+# define __P(args)      args
+#endif
+
+/*#ifndef _WIN32
+#include <sys/cdefs.h>
+#include <unistd.h>
+#endif*/
+
+#ifdef _WIN32
+# if !defined(GETOPT_API)
+#  define GETOPT_API __declspec(dllimport)
+# endif
+#endif
+
+/*
+ * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
+ */
+#if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
+#define no_argument        0
+#define required_argument  1
+#define optional_argument  2
+
+struct option {
+        /* name of long option */
+        const char *name;
+        /*
+         * one of no_argument, required_argument, and optional_argument:
+         * whether option takes an argument
+         */
+        int has_arg;
+        /* if not NULL, set *flag to val when option found */
+        int *flag;
+        /* if flag not NULL, value to set *flag to; else return value */
+        int val;
+};
+
+__BEGIN_DECLS
+GETOPT_API int getopt_long __P((int, char * const *, const char *,
+    const struct option *, int *));
+__END_DECLS
+#endif
+
+#ifdef _WIN32
+/* These are global getopt variables */
+__BEGIN_DECLS
+
+GETOPT_API extern int   opterr,   /* if error message should be printed */
+                        optind,   /* index into parent argv vector */
+                        optopt,   /* character checked for validity */
+                        optreset; /* reset getopt */
+GETOPT_API extern char* optarg;   /* argument associated with option */
+
+/* Original getopt */
+GETOPT_API int getopt __P((int, char * const *, const char *));
+
+__END_DECLS
+#endif
+ 
+#endif /* !_GETOPT_H_ */