1COMEDI_GET_BUFFER_RE(3)        Comedi reference        COMEDI_GET_BUFFER_RE(3)
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NAME

6       comedi_get_buffer_read_count - streaming buffer read count
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SYNOPSIS

9       #include <comedilib.h>
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11       int comedi_get_buffer_read_count(comedi_t * device,
12                                        unsigned int subdevice,
13                                        unsigned int * read_count);
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DESCRIPTION

16       The function comedi_get_buffer_read_count is used on a subdevice that
17       has a Comedi command in progress to get the number of bytes that have
18       been read from the buffer, modulo UINT_MAX + 1. The value is stored in
19       *read_count.
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RETURN VALUE

22       On success, 0 is returned. On failure, -1 is returned.
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AUTHORS

25       David Schleef <ds@schleef.org>
26           Author.
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28       Frank Mori Hess <fmhess@users.sourceforge.net>
29           Author.
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31       Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
32           Author.
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34       Bernd Porr <tech@linux-usb-daq.co.uk>
35           Author.
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37       Ian Abbott <abbotti@mev.co.uk>
38           Author.
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40       Éric Piel <piel@delmic.com>
41           Author.
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44       Copyright © 1998-2003 David Schleef
45       Copyright © 2001-2003, 2005, 2008 Frank Mori Hess
46       Copyright © 2002-2003 Herman Bruyninckx
47       Copyright © 2012 Bernd Porr
48       Copyright © 2012 Ian Abbott
49       Copyright © 2012, 2015 Éric Piel
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51       This document is part of Comedilib. In the context of this document,
52       the term "source code" as defined by the license is interpreted as the
53       XML source.
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55       This library is free software; you can redistribute it and/or modify it
56       under the terms of the GNU Lesser General Public License as published
57       by the Free Software Foundation, version 2.1 of the License.
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59       This library is distributed in the hope that it will be useful, but
60       WITHOUT ANY WARRANTY; without even the implied warranty of
61       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
62       General Public License for more details.
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64       You should have received a copy of the GNU Lesser General Public
65       License along with this library; if not, write to the Free Software
66       Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
67       USA.
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72Comedi                            05/11/2017           COMEDI_GET_BUFFER_RE(3)
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