Initial commit: ROW Client source code

Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Library/dxx8/samples/Multimedia/Demos/DuelVoice/diutil.h

@@ -0,0 +1,24 @@
+//-----------------------------------------------------------------------------
+// File: DIUtil.h
+//
+// Desc: Input routines
+//
+// Copyright (C) 1995-2001 Microsoft Corporation. All Rights Reserved.
+//-----------------------------------------------------------------------------
+#ifndef DIUTIL_H
+#define DIUTIL_H
+
+#define DIRECTINPUT_VERSION 0x700
+#include <dinput.h>
+
+
+HRESULT DIUtil_InitInput( HWND hWnd );
+VOID    DIUtil_ReadKeys( DWORD* pdwKey );
+VOID    DIUtil_CleanupInput();
+HRESULT DIUtil_ReacquireInputDevices();
+
+
+#endif
+
+
+