/usr/include/muroard/driver.h is in muroard-dev 0.1.14-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | //driver.h:
/*
 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2013
 *
 *  This file is part of µRoarD,
 *  a sound server daemon for using the RoarAudio protocol.
 *  See README for details.
 *
 *  This file is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3
 *  or (at your option) any later version as published by
 *  the Free Software Foundation.
 *
 *  RoarAudio 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this software; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */
#ifndef _MUROARD_DRIVER_H_
#define _MUROARD_DRIVER_H_
#define MUROARD_DRIVER_NONE        0
#define MUROARD_DRIVER_MUROAR      1
#define MUROARD_DRIVER_ESD         2
#define MUROARD_DRIVER_LIBAO       3
#define MUROARD_DRIVER_OSS         4
#define MUROARD_DRIVER_WMM         5
#define MUROARD_DRIVER_SNDIO       6
#define MUROARD_DRIVER_TINYALSA    7
int muroard_driver_init(const char * dev);
int muroard_driver_free(void);
ssize_t muroard_driver_write(int16_t * data, size_t len, enum muroard_blocking blocking);
#endif
//ll
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