--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/ddk/ntddbeep.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,54 @@
+/*
+ * ntddbeep.h
+ *
+ * Beep device IOCTL interface
+ *
+ * This file is part of the w32api package.
+ *
+ * Contributors:
+ *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
+ *
+ * THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ * This source code is offered for use in the public domain. You may
+ * use, modify or distribute it freely.
+ *
+ * This code is distributed in the hope that it will be useful but
+ * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ * DISCLAIMED. This includes but is not limited to warranties of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#ifndef __NTDDBEEP_H
+#define __NTDDBEEP_H
+
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "ntddk.h"
+
+#define DD_BEEP_DEVICE_NAME               "\\Device\\Beep"
+#define DD_BEEP_DEVICE_NAME_U             L"\\Device\\Beep"
+
+#define IOCTL_BEEP_SET \
+  CTL_CODE(FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+typedef struct _BEEP_SET_PARAMETERS {
+	ULONG  Frequency;
+	ULONG  Duration;
+} BEEP_SET_PARAMETERS, *PBEEP_SET_PARAMETERS;
+
+#define BEEP_FREQUENCY_MINIMUM            0x25
+#define BEEP_FREQUENCY_MAXIMUM            0x7FFF
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __NTDDBEEP_H */