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Update ncurses and associated libraries (form, panel, menu) to
6.4-20230826 (from 5.7-20081102).

Based on result from Thomas Dickey's ncu2openbsd script and then
modified. Switches to the upstream tput. Major bump for the ncurses
libraries and for libedit and libreadline.

Help from tb, millert.

ok deraadt sthen

/* $OpenBSD: m_sub.c,v 1.6 2023/10/17 09:52:10 nicm Exp $ */

/****************************************************************************
 * Copyright 2020,2021 Thomas E. Dickey                                     *
 * Copyright 1998-2009,2010 Free Software Foundation, Inc.                  *
 *                                                                          *
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 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
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 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

/***************************************************************************
* Module m_sub                                                             *
* Menus subwindow association routines                                     *
***************************************************************************/

#include "menu.priv.h"

MODULE_ID("$Id: m_sub.c,v 1.6 2023/10/17 09:52:10 nicm Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  int set_menu_sub(MENU *menu, WINDOW *win)
|
|   Description   :  Sets the subwindow of the menu.
|
|   Return Values :  E_OK           - success
|                    E_POSTED       - menu is already posted
+--------------------------------------------------------------------------*/
MENU_EXPORT(int)
set_menu_sub(MENU *menu, WINDOW *win)
{
  T((T_CALLED("set_menu_sub(%p,%p)"), (void *)menu, (void *)win));

  if (menu)
    {
      if (menu->status & _POSTED)
	RETURN(E_POSTED);
      else
#if NCURSES_SP_FUNCS
	{
	  /* We ensure that usersub is never null. So even if a null
	     WINDOW parameter is passed, we store the SCREENS stdscr.
	     The only MENU that can have a null usersub is the static
	     _nc_default_Menu.
	   */
	  SCREEN *sp = _nc_screen_of(menu->usersub);

	  menu->usersub = win ? win : sp->_stdscr;
	  _nc_Calculate_Item_Length_and_Width(menu);
	}
#else
	menu->usersub = win;
#endif
    }
  else
    _nc_Default_Menu.usersub = win;

  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  WINDOW* menu_sub(const MENU *menu)
|
|   Description   :  Returns a pointer to the subwindow of the menu
|
|   Return Values :  NULL on error, otherwise a pointer to the window
+--------------------------------------------------------------------------*/
MENU_EXPORT(WINDOW *)
menu_sub(const MENU *menu)
{
  const MENU *m = Normalize_Menu(menu);

  T((T_CALLED("menu_sub(%p)"), (const void *)menu));
  returnWin(Get_Menu_Window(m));
}

/* m_sub.c ends here */