93 lines
4.1 KiB
Groff
93 lines
4.1 KiB
Groff
'\" t
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.\" $OpenBSD: menu_items.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
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.\"
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.\"***************************************************************************
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.\" Copyright 2018-2022,2023 Thomas E. Dickey *
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.\" Copyright 1998-2012,2015 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: menu_items.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
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.TH menu_items 3 2023-07-01 "ncurses 6.4" "Library calls"
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.SH NAME
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\fBset_menu_items\fP,
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\fBmenu_items\fP,
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\fBitem_count\fP \- make and break connections between items and menus
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.SH SYNOPSIS
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\fB#include <menu.h>\fP
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.sp
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\fBint set_menu_items(MENU *\fImenu\fB, ITEM **\fIitems\fB);\fR
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.br
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\fBITEM **menu_items(const MENU *\fImenu\fB);\fR
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.br
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\fBint item_count(const MENU *\fImenu\fB);\fR
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.SH DESCRIPTION
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The function \fBset_menu_items\fP changes the item pointer array of the given
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\fImenu\fP. The array must be terminated by a \fBNULL\fP.
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.PP
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The function \fBmenu_items\fP returns the item array of the given menu.
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.PP
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The function \fBitem_count\fP returns the count of items in \fImenu\fP.
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.SH RETURN VALUE
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The function \fBmenu_items\fP returns a pointer (which may be \fBNULL\fP).
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It does not set \fBerrno\fP.
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.PP
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The function \fBitem_count\fP returns \fBERR\fP (the general \fBcurses\fP error
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return value) if its \fImenu\fP parameter is \fBNULL\fP.
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.PP
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The function \fBset_menu_items\fP returns one of the following codes on error:
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.TP 5
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.B E_OK
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The routine succeeded.
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.TP 5
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.B E_BAD_ARGUMENT
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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.B E_NOT_CONNECTED
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No items are connected to the menu.
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.TP 5
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.B E_POSTED
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The menu is already posted.
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.TP 5
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.B E_SYSTEM_ERROR
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System error occurred (see \fBerrno\fP(3)).
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.
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.SH SEE ALSO
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\fBcurses\fP(3), \fBmenu\fP(3).
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.SH NOTES
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The header file \fB<menu.h>\fP automatically includes the header file
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\fB<curses.h>\fP.
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.SH PORTABILITY
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These routines emulate the System V menu library.
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They were not supported on
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Version 7 or BSD versions.
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.PP
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The SVr4 menu library documentation specifies the \fBitem_count\fP error value
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as \-1 (which is the value of \fBERR\fP).
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.SH AUTHORS
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Juergen Pfeifer.
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Manual pages and adaptation for new curses by Eric S. Raymond.
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