'\" t
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.\" $Id: menu_items.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
.TH menu_items 3 2023-07-01 "ncurses 6.4" "Library calls"
.SH NAME
\fBset_menu_items\fP,
\fBmenu_items\fP,
\fBitem_count\fP \- make and break connections between items and menus
.SH SYNOPSIS
\fB#include <menu.h>\fP
.sp
\fBint set_menu_items(MENU *\fImenu\fB, ITEM **\fIitems\fB);\fR
.br
\fBITEM **menu_items(const MENU *\fImenu\fB);\fR
.br
\fBint item_count(const MENU *\fImenu\fB);\fR
.SH DESCRIPTION
The function \fBset_menu_items\fP changes the item pointer array of the given
\fImenu\fP.  The array must be terminated by a \fBNULL\fP.
.PP
The function \fBmenu_items\fP returns the item array of the given menu.
.PP
The function \fBitem_count\fP returns the count of items in \fImenu\fP.
.SH RETURN VALUE
The function \fBmenu_items\fP returns a pointer (which may be \fBNULL\fP).
It does not set \fBerrno\fP.
.PP
The function \fBitem_count\fP returns \fBERR\fP (the general \fBcurses\fP error
return value) if its \fImenu\fP parameter is \fBNULL\fP.
.PP
The function \fBset_menu_items\fP returns one of the following codes on error:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.TP 5
.B E_NOT_CONNECTED
No items are connected to the menu.
.TP 5
.B E_POSTED
The menu is already posted.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fP(3)).
.
.SH SEE ALSO
\fBcurses\fP(3), \fBmenu\fP(3).
.SH NOTES
The header file \fB<menu.h>\fP automatically includes the header file
\fB<curses.h>\fP.
.SH PORTABILITY
These routines emulate the System V menu library.
They were not supported on
Version 7 or BSD versions.
.PP
The SVr4 menu library documentation specifies the \fBitem_count\fP error value
as \-1 (which is the value of \fBERR\fP).
.SH AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.