NetBSD/lib/libmenu/menu_post.3

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.\" $NetBSD: menu_post.3,v 1.2 1999/11/24 12:43:19 kleink Exp $
.\"
.\" Copyright (c) 1999
.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
.\"
.\" This code is donated to The NetBSD Foundation by the author.
.\"
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.Dd September, 1999
.Dt MENU_POST 3
.Os BSD 4
.Sh NAME
.Nm post_menu
.Nd menu library
.Sh LIBRARY
.Lb libmenu
.Sh SYNOPSIS
.Fd #include <menu.h>
.Ft int
.Fn post_menu "MENU *menu"
.Ft int
.Fn unpost_menu "MENU *menu"
.Sh DESCRIPTION
The
.Fn post_menu
function causes the menu to be drawn on the screen. Any functions
defined by either
.Xr set_menu_init
or
.Xr set_item_init
are called before the menu is placed on the screen. The
.Fn unpost_menu
does the opposite, it removes a menu from the screen. Any functions
defined by both
.Xr set_menu_term
and
.Xr set_item_term
are called prior to the menu's removal.
.Sh RETURN VALUES
The functions return one of the following error values:
.Pp
.ta 20
.nf
E_OK The function was successful
E_SYSTEM_ERROR There was a system error during the call.
E_BAD_ARGUMENT One or more of the arguments passed to the function
was incorrect.
E_POSTED The menu is already posted.
E_BAD_STATE The function was called from within an initialisation
or termination routine.
E_NO_ROOM The menu does not fit within the subwindow.
E_NOT_CONNECTED The item is not connected to a menu.
.fi
.ft 1
.br
.ne 8
.Sh SEE ALSO
.Xr curses 3 ,
.Xr menus 3
.Sh NOTES
The header
.Xr <menus.h>
automatically includes both
.Xr <curses.h>
and
.Xr <eti.h>