1.\" $NetBSD: menu_post.3,v 1.8 2002/10/01 19:27:00 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. 51Any functions defined 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. 58The 59.Fn unpost_menu 60does the opposite, it removes a menu from the screen. 61Any functions defined by both 62.Fn set_menu_term 63and 64.Fn set_item_term 65(see 66.Xr menu_hook 3 ) 67are called prior to the menu's removal. 68.Sh RETURN VALUES 69The functions return one of the following error values: 70.Pp 71.Bl -tag -width E_NOT_CONNECTED -compact 72.It Er E_OK 73The function was successful. 74.It Er E_SYSTEM_ERROR 75There was a system error during the call. 76.It Er E_BAD_ARGUMENT 77One or more of the arguments passed to the function was incorrect. 78.It Er E_POSTED 79The menu is already posted. 80.It Er E_BAD_STATE 81The function was called from within an initialization or termination 82routine. 83.It Er E_NO_ROOM 84The menu does not fit within the subwindow. 85.It Er E_NOT_CONNECTED 86The item is not connected to a menu. 87.El 88.Sh SEE ALSO 89.Xr curses 3 , 90.Xr menu_hook 3 , 91.Xr menus 3 92.Sh NOTES 93The header 94.Pa \*[Lt]menu.h\*[Gt] 95automatically includes both 96.Pa \*[Lt]curses.h\*[Gt] 97and 98.Pa \*[Lt]eti.h\*[Gt] . 99