Base version of ncurses-5.7 library
diff --git a/menu/m_hook.c b/menu/m_hook.c
new file mode 100644
index 0000000..8d768a3
--- /dev/null
+++ b/menu/m_hook.c
@@ -0,0 +1,151 @@
+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * 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.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *   Author:  Juergen Pfeifer, 1995,1997                                    *
+ ****************************************************************************/
+
+/***************************************************************************
+* Module m_hook                                                            *
+* Assign application specific routines for automatic invocation by menus   *
+***************************************************************************/
+
+#include "menu.priv.h"
+
+MODULE_ID("$Id: m_hook.c,v 1.14 2004/12/25 21:39:52 tom Exp $")
+
+/* "Template" macro to generate function to set application specific hook */
+#define GEN_HOOK_SET_FUNCTION( typ, name ) \
+NCURSES_IMPEXP int NCURSES_API set_ ## typ ## _ ## name (MENU *menu, Menu_Hook func )\
+{\
+   T((T_CALLED("set_" #typ "_" #name "(%p,%p)"), menu, func));\
+   (Normalize_Menu(menu) -> typ ## name = func );\
+   RETURN(E_OK);\
+}
+
+/* "Template" macro to generate function to get application specific hook */
+#define GEN_HOOK_GET_FUNCTION( typ, name ) \
+NCURSES_IMPEXP Menu_Hook NCURSES_API typ ## _ ## name ( const MENU *menu )\
+{\
+   T((T_CALLED(#typ "_" #name "(%p)"), menu));\
+   returnMenuHook(Normalize_Menu(menu) -> typ ## name);\
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  int set_menu_init(MENU *menu, void (*f)(MENU *))
+|   
+|   Description   :  Set user-exit which is called when menu is posted
+|                    or just after the top row changes.
+|
+|   Return Values :  E_OK               - success
++--------------------------------------------------------------------------*/
+GEN_HOOK_SET_FUNCTION(menu, init)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  void (*)(MENU *) menu_init(const MENU *menu)
+|   
+|   Description   :  Return address of user-exit function which is called
+|                    when a menu is posted or just after the top row 
+|                    changes.
+|
+|   Return Values :  Menu init function address or NULL
++--------------------------------------------------------------------------*/
+GEN_HOOK_GET_FUNCTION(menu, init)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  int set_menu_term (MENU *menu, void (*f)(MENU *))
+|   
+|   Description   :  Set user-exit which is called when menu is unposted
+|                    or just before the top row changes.
+|
+|   Return Values :  E_OK               - success
++--------------------------------------------------------------------------*/
+GEN_HOOK_SET_FUNCTION(menu, term)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  void (*)(MENU *) menu_term(const MENU *menu)
+|   
+|   Description   :  Return address of user-exit function which is called
+|                    when a menu is unposted or just before the top row 
+|                    changes.
+|
+|   Return Values :  Menu finalization function address or NULL
++--------------------------------------------------------------------------*/
+GEN_HOOK_GET_FUNCTION(menu, term)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  int set_item_init (MENU *menu, void (*f)(MENU *))
+|   
+|   Description   :  Set user-exit which is called when menu is posted
+|                    or just after the current item changes.
+|
+|   Return Values :  E_OK               - success
++--------------------------------------------------------------------------*/
+GEN_HOOK_SET_FUNCTION(item, init)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  void (*)(MENU *) item_init (const MENU *menu)
+|   
+|   Description   :  Return address of user-exit function which is called
+|                    when a menu is posted or just after the current item 
+|                    changes.
+|
+|   Return Values :  Item init function address or NULL
++--------------------------------------------------------------------------*/
+GEN_HOOK_GET_FUNCTION(item, init)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  int set_item_term (MENU *menu, void (*f)(MENU *))
+|   
+|   Description   :  Set user-exit which is called when menu is unposted
+|                    or just before the current item changes.
+|
+|   Return Values :  E_OK               - success
++--------------------------------------------------------------------------*/
+GEN_HOOK_SET_FUNCTION(item, term)
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  void (*)(MENU *) item_init (const MENU *menu)
+|   
+|   Description   :  Return address of user-exit function which is called
+|                    when a menu is unposted or just before the current item 
+|                    changes.
+|
+|   Return Values :  Item finalization function address or NULL
++--------------------------------------------------------------------------*/
+GEN_HOOK_GET_FUNCTION(item, term)
+
+/* m_hook.c ends here */