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.\"***************************************************************************
.\" Copyright (c) 1998-2010,2015 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" "Software"), to deal in the Software without restriction, including *
.\" without limitation the rights to use, copy, modify, merge, publish, *
.\" distribute, distribute with modifications, sublicense, and/or sell *
.\" copies of the Software, and to permit persons to whom the Software is *
.\" furnished to do so, subject to the following conditions: *
.\" *
.\" The above copyright notice and this permission notice shall be included *
.\" in all copies or substantial portions of the Software. *
.\" *
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
.\" *
.\" Except as contained in this notice, the name(s) of the above copyright *
.\" holders shall not be used in advertising or otherwise to promote the *
.\" sale, use or other dealings in this Software without prior written *
.\" authorization. *
.\"***************************************************************************
.\"
.\" $Id: menu_pattern.3x,v 1.14 2015/12/05 23:42:45 tom Exp $
.TH pattern 3MENU ""
.SH NAME
\fBset_menu_pattern\fP,
\fBmenu_pattern\fR \- set and get a menu's pattern buffer
.SH SYNOPSIS
\fB#include <menu.h>\fR
.br
int set_menu_pattern(MENU *menu, const char *pattern);
.br
char *menu_pattern(const MENU *menu);
.br
.SH DESCRIPTION
Every menu has an associated pattern match buffer. As input events that are
printable characters come in, they are appended to this match buffer
and tested for a match, as described in \fBdriver\fR(3MENU).
.PP
The function \fBset_menu_pattern\fR sets the pattern buffer for the given menu
and tries to find the first matching item. If it succeeds, that item becomes
current; if not, the current item does not change.
.PP
The function \fBmenu_pattern\fR returns the pattern buffer of the given
\fImenu\fR.
.SH RETURN VALUE
The function \fBmenu_pattern\fR returns a pointer, which is \fBNULL\fR if the \fImenu\fP parameter is \fBNULL\fP.
Otherwise, it is a pointer to a string which is empty if no pattern has been set.
It does not set errno.
.PP
The function \fBset_menu_pattern\fR may return the following error codes:
.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_BAD_STATE
Routine was called from an initialization or termination function.
.TP 5
.B E_NOT_CONNECTED
No items are connected to menu.
.TP 5
.B E_NO_MATCH
Character failed to match.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fR).
.SH SEE ALSO
\fBncurses\fR(3NCURSES), \fBmenu\fR(3MENU).
.SH NOTES
The header file \fB<menu.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
These routines emulate the System V menu library. They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
S. Raymond.
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