1.\" $NetBSD: menu_post.3,v 1.6 2002/02/20 11:47:56 wiz Exp $ 2.\" 3.\" Copyright (c) 1999 4.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au 5.\" 6.\" This code is donated to The NetBSD Foundation by the author. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. The name of the Author may not be used to endorse or promote 17.\" products derived from this software without specific prior written 18.\" permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.Dd September 10, 1999 33.Dt MENU_POST 3 34.Os 35.Sh NAME 36.Nm post_menu 37.Nm unpost_menu 38.Nd post (draw) or unpost a menu 39.Sh LIBRARY 40.Lb libmenu 41.Sh SYNOPSIS 42.Fd #include \*[Lt]menu.h\*[Gt] 43.Ft int 44.Fn post_menu "MENU *menu" 45.Ft int 46.Fn unpost_menu "MENU *menu" 47.Sh DESCRIPTION 48The 49.Fn post_menu 50function causes the menu to be drawn on the screen. Any functions 51defined by either 52.Fn set_menu_init 53or 54.Fn set_item_init 55(see 56.Xr menu_hook 3 ) 57are called before the menu is placed on the screen. The 58.Fn unpost_menu 59does the opposite, it removes a menu from the screen. Any functions 60defined by both 61.Fn set_menu_term 62and 63.Fn set_item_term 64(see 65.Xr menu_hook 3 ) 66are called prior to the menu's removal. 67.Sh RETURN VALUES 68The functions return one of the following error values: 69.Pp 70.Bl -tag -width E_NOT_CONNECTED -compact 71.It Er E_OK 72The function was successful. 73.It Er E_SYSTEM_ERROR 74There was a system error during the call. 75.It Er E_BAD_ARGUMENT 76One or more of the arguments passed to the function was incorrect. 77.It Er E_POSTED 78The menu is already posted. 79.It Er E_BAD_STATE 80The function was called from within an initialisation or termination 81routine. 82.It Er E_NO_ROOM 83The menu does not fit within the subwindow. 84.It Er E_NOT_CONNECTED 85The item is not connected to a menu. 86.El 87.Sh SEE ALSO 88.Xr curses 3 , 89.Xr menu_hook 3 , 90.Xr menus 3 91.Sh NOTES 92The header 93.Pa \*[Lt]menu.h\*[Gt] 94automatically includes both 95.Pa \*[Lt]curses.h\*[Gt] 96and 97.Pa \*[Lt]eti.h\*[Gt] . 98