item_visible - check visibility of a menu item

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

       A  menu item is visible when it is in the portion of a posted menu that is mapped onto the screen (if the
       menu is scrollable, in particular, this portion will be smaller than the whole menu).

item_visible - check visibility of a menu item

       These routines emulate the System V menu library.  They were not supported on Version 7 or BSD versions.

ncurses(3NCURSES), menu(3MENU)

ncurses 6.5                                        2024-03-16                                menu_visible(3MENU)

#include<menu.h>boolitem_visible(constITEM*item);