1COMEDI_GET_WRITE_SUB(3)        Comedi reference        COMEDI_GET_WRITE_SUB(3)
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NAME

6       comedi_get_write_subdevice - find streaming output subdevice
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SYNOPSIS

9       #include <comedilib.h>
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11       int comedi_get_write_subdevice(comedi_t * device);
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DESCRIPTION

14       The function comedi_get_write_subdevice returns the index of the
15       subdevice whose streaming output buffer is currently accessible through
16       the device device, if there is one.
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RETURN VALUE

19       On success, comedi_get_write_subdevicereturns the index of the current
20       “write” subdevice if there is one, or -1 if there is no “write”
21       subdevice. On failure, -1 is returned.
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AUTHORS

24       David Schleef <ds@schleef.org>
25           Author.
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27       Frank Mori Hess <fmhess@users.sourceforge.net>
28           Author.
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30       Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
31           Author.
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33       Bernd Porr <tech@linux-usb-daq.co.uk>
34           Author.
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36       Ian Abbott <abbotti@mev.co.uk>
37           Author.
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39       Éric Piel <piel@delmic.com>
40           Author.
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43       Copyright © 1998-2003 David Schleef
44       Copyright © 2001-2003, 2005, 2008 Frank Mori Hess
45       Copyright © 2002-2003 Herman Bruyninckx
46       Copyright © 2012 Bernd Porr
47       Copyright © 2012 Ian Abbott
48       Copyright © 2012, 2015 Éric Piel
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50       This document is part of Comedilib. In the context of this document,
51       the term "source code" as defined by the license is interpreted as the
52       XML source.
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54       This library is free software; you can redistribute it and/or modify it
55       under the terms of the GNU Lesser General Public License as published
56       by the Free Software Foundation, version 2.1 of the License.
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58       This library is distributed in the hope that it will be useful, but
59       WITHOUT ANY WARRANTY; without even the implied warranty of
60       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
61       General Public License for more details.
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63       You should have received a copy of the GNU Lesser General Public
64       License along with this library; if not, write to the Free Software
65       Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
66       USA.
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71Comedi                            05/11/2017           COMEDI_GET_WRITE_SUB(3)
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