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* cwdaemon - morse sounding daemon for the parallel or serial port
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* Copyright (C) 2002 -2005 Joop Stakenborg <pg4i@amsat.org>
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* and many authors, see the AUTHORS file.
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* This program is free oftware; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# if !STDC_HEADERS && HAVE_MEMORY_H
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* null port functions... these do, well, nothing, except for provide
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* a convienient placeholder.
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* dev_is_null(name): check to see whether 'name' is a null type device.
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dev_is_null(const char *fname)
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if (strcmp(fname, "null") != 0)
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null_init (cwdevice * dev, int fd)
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null_free (cwdevice * dev)
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null_reset (cwdevice * dev)
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null_cw (cwdevice * dev, int onoff)
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null_ptt (cwdevice * dev, int onoff)