Интерактивная система просмотра системных руководств (man-ов)
item_count (3)
item_count (3) ( FreeBSD man: Библиотечные вызовы )>> item_count (3) ( Linux man: Библиотечные вызовы )
NAME
menu_items - make and break connections between items and menus
SYNOPSIS
#include <menu.h>
int set_menu_items(MENU *menu, ITEM **items);
ITEM **menu_items(const MENU *menu);
int item_count(const MENU *menu);
DESCRIPTION
The function set_menu_items changes the item pointer array of the given
menu. The array must be terminated by a NULL.
The function menu_items returns the item array of the given menu.
The function item_count returns the count of items in menu.
RETURN VALUES
The function menu_items returns NULL on error.
The function item_count returns ERR (the general curses error
return value) on error.
The function set_menu_items returns one of the following codes on error:
- E_OK
-
The routine succeeded.
- E_SYSTEM_ERROR
-
System error occurred (see errno).
- E_BAD_ARGUMENT
-
Routine detected an incorrect or out-of-range argument.
- E_POSTED
-
The menu is already posted.
- E_NOT_CONNECTED
-
No items are connected to the menu.
SEE ALSO
curses(3X), menu(3X).
NOTES
The header file <menu.h> automatically includes the header file
<curses.h>.
PORTABILITY
These routines emulate the System V menu library. They were not supported on
Version 7 or BSD versions.
The SVr4 menu library documentation specifies the item_count error value
as -1 (which is the value of ERR).
AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
S. Raymond.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
-
- NOTES
-
- PORTABILITY
-
- AUTHORS
-
