/usr/include/spandsp/private/v8.h is in libspandsp-dev 0.0.6-2+b2.
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 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | /*
* SpanDSP - a series of DSP components for telephony
*
* private/v8.h - V.8 modem negotiation processing.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2004 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(_SPANDSP_PRIVATE_V8_H_)
#define _SPANDSP_PRIVATE_V8_H_
struct v8_state_s
{
/*! \brief TRUE if we are the calling party */
int calling_party;
/*! \brief A handler to process the V.8 signals */
v8_result_handler_t result_handler;
/*! \brief An opaque pointer passed to result_handler */
void *result_handler_user_data;
/*! \brief The current state of the V.8 protocol */
int state;
int fsk_tx_on;
int modem_connect_tone_tx_on;
int negotiation_timer;
int ci_timer;
int ci_count;
fsk_tx_state_t v21tx;
fsk_rx_state_t v21rx;
queue_state_t *tx_queue;
modem_connect_tones_tx_state_t ansam_tx;
modem_connect_tones_rx_state_t ansam_rx;
v8_parms_t parms;
v8_parms_t result;
/*! \brief The number of modulation bytes to use when sending. */
int modulation_bytes;
/* V.8 data parsing */
uint32_t bit_stream;
int bit_cnt;
/* Indicates the type of message coming up */
int preamble_type;
uint8_t rx_data[64];
int rx_data_ptr;
/*! \brief a reference copy of the last CM or JM message, used when
testing for matches. */
uint8_t cm_jm_data[64];
int cm_jm_len;
int got_cm_jm;
int got_cj;
int zero_byte_count;
/*! \brief Error and flow logging control */
logging_state_t logging;
};
#endif
/*- End of file ------------------------------------------------------------*/
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