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/*
* cwdaemon - morse sounding daemon for the parallel or serial port
* Copyright (C) 2002 -2005 Joop Stakenborg <pg4i@amsat.org>
* and many authors, see the AUTHORS file.
*
* This program is free oftware; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#endif
#include "cwdaemon.h"
/*
* null port functions... these do, well, nothing, except for provide
* a convienient placeholder.
*/
/*
* dev_is_null(name): check to see whether 'name' is a null type device.
*/
int
dev_is_null(const char *fname)
{
if (strcmp(fname, "null") != 0)
return (-1);
return (0);
}
int
null_init (cwdevice * dev, int fd)
{
dev->fd = fd;
return 0;
}
int
null_free (cwdevice * dev)
{
return 0;
}
int
null_reset (cwdevice * dev)
{
return 0;
}
int
null_cw (cwdevice * dev, int onoff)
{
return 0;
}
int
null_ptt (cwdevice * dev, int onoff)
{
return 0;
}
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