debian man page for comedi_do_insn

COMEDI_DO_INSN(3)						 Comedi reference						 COMEDI_DO_INSN(3)

NAME
       comedi_do_insn - perform instruction

SYNOPSIS
       #include <comedilib.h>

       int comedi_do_insn(comedi_t * device, comedi_insn * instruction);

DESCRIPTION
       The function comedi_do_insn performs a single instruction.

RETURN VALUE
       If successful, returns a non-negative number. For the case of INSN_READ or INSN_WRITE instructions, comedi_do_insn returns the number of
       samples read or written, which may be less than the number requested. If there is an error, -1 is returned.

AUTHORS
       David Schleef <ds@schleef.org>
	   Author.

       Frank Mori Hess <fmhess@users.sourceforge.net>
	   Author.

       Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
	   Author.

       Bernd Porr <tech@linux-usb-daq.co.uk>
	   Author.

       Ian Abbott <abbotti@mev.co.uk>
	   Author.

COPYRIGHT
       Copyright (C) 1998-2003 David Schleef
       Copyright (C) 2001-2003, 2005, 2008 Frank Mori Hess
       Copyright (C) 2002-2003 Herman Bruyninckx
       Copyright (C) 2012 Bernd Porr
       Copyright (C) 2012 Ian Abbott

       This document is part of Comedilib. In the context of this document, the term "source code" as defined by the license is interpreted as the
       XML source.

       This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as
       published by the Free Software Foundation, version 2.1 of the License.

       This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

       You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software
       Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

Comedi								    07/06/2012							 COMEDI_DO_INSN(3)