rename: IUP 库目录重命名为 libs/IUP

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

libs/IUP/include/iup_scintilla.h

@@ -0,0 +1,29 @@
+/** \file
+ * \brief Scintilla control.
+ *
+ * See Copyright Notice in "iup.h"
+ */
+ 
+#ifndef __IUP_SCINTILLA_H 
+#define __IUP_SCINTILLA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+void IupScintillaOpen(void);
+
+Ihandle *IupScintilla(void);
+Ihandle *IupScintillaDlg(void);
+
+#ifdef SCINTILLA_H
+sptr_t IupScintillaSendMessage(Ihandle* ih, unsigned int iMessage, uptr_t wParam, sptr_t lParam);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif