xref: /titanic_51/usr/src/man/man3xcurses/nodelay.3xcurses (revision 6a72db4a7fa12c3e0d1c1cf91a07390739fa0fbf)
te
Copyright (c) 1990, 1995 by Mortice Kern Systems Inc. All Rights Reserved Portions Copyright (c) 1996, Sun Microsystems, Inc. All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
NODELAY 3XCURSES "Jun 5, 2002"
NAME
nodelay - set blocking or non-blocking read
SYNOPSIS

cc [ flag... ] file... -I /usr/xpg4/include  -L  /usr/xpg4/lib \e
 -R  /usr/xpg4/lib  -lcurses  [ library... ]

c89 [ flag... ] file... -lcurses [ library... ]

#include <curses.h>

int nodelay(WINDOW *win, bool bf);
PARAMETERS
win

Is a pointer to the window in which to enable non-blocking.

bf

Is a Boolean expression.

DESCRIPTION

If enabled, (bf is TRUE), the nodelay() function causes getch(3XCURSES) to return ERR if no input is ready. When disabled, getch() blocks until a key is pressed.

RETURN VALUES

On success, the nodelay() function returns OK. Otherwise, it returns ERR.

ERRORS

None.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Standard
MT-Level Unsafe
SEE ALSO

getch(3XCURSES), halfdelay(3XCURSES), libcurses(3XCURSES), notimeout(3XCURSES), attributes(5), standards(5)