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/DirectInput/DIConfig/cyclestr.h

@@ -0,0 +1,31 @@
+//-----------------------------------------------------------------------------
+// File: cyclestr.h
+//
+// Desc: Implements a circular queue that provides space to hold a string
+//       without repeatedly allocating and deallocating memory.  This is
+//       only for short-term use such as outputting debug message to
+//       ensure that the same buffer is not used at more than one place
+//       simultaneously.
+//
+// Copyright (C) 1999-2001 Microsoft Corporation. All Rights Reserved.
+//-----------------------------------------------------------------------------
+
+#ifndef __CYCLESTR_H__
+#define __CYCLESTR_H__
+
+
+LPTSTR getcyclestr();
+LPCTSTR SAFESTR(LPCWSTR);
+LPCTSTR SAFESTR(LPCSTR);
+LPCTSTR QSAFESTR(LPCWSTR);
+LPCTSTR QSAFESTR(LPCSTR);
+LPCTSTR BOOLSTR(BOOL);
+LPCTSTR RECTSTR(RECT &);
+LPCTSTR RECTDIMSTR(RECT &);
+LPCTSTR POINTSTR(POINT &);
+LPCTSTR GUIDSTR(const GUID &);
+LPCTSTR SUPERSTR(LPCWSTR);
+LPCTSTR SUPERSTR(LPCSTR);
+
+
+#endif //__CYCLESTR_H__