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diff --git a/openbsc/include/openbsc/v42bis.h b/openbsc/include/openbsc/v42bis.h
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-/*
- * SpanDSP - a series of DSP components for telephony
- *
- * v42bis.h
- *
- * Written by Steve Underwood <steveu@coppice.org>
- *
- * Copyright (C) 2005, 2011 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.
- */
-
-/*! \page v42bis_page V.42bis modem data compression
-\section v42bis_page_sec_1 What does it do?
-The v.42bis specification defines a data compression scheme, to work in
-conjunction with the error correction scheme defined in V.42.
-
-\section v42bis_page_sec_2 How does it work?
-*/
-
-#include <stdint.h>
-
-#if !defined(_SPANDSP_V42BIS_H_)
-#define _SPANDSP_V42BIS_H_
-
-#define SPAN_DECLARE(x) x
-
-#define V42BIS_MIN_STRING_SIZE 6
-#define V42BIS_MAX_STRING_SIZE 250
-#define V42BIS_MIN_DICTIONARY_SIZE 512
-#define V42BIS_MAX_BITS 12
-#define V42BIS_MAX_CODEWORDS 4096 /* 2^V42BIS_MAX_BITS */
-#define V42BIS_MAX_OUTPUT_LENGTH 1024
-
-enum
-{
- V42BIS_P0_NEITHER_DIRECTION = 0,
- V42BIS_P0_INITIATOR_RESPONDER,
- V42BIS_P0_RESPONDER_INITIATOR,
- V42BIS_P0_BOTH_DIRECTIONS
-};
-
-enum
-{
- V42BIS_COMPRESSION_MODE_DYNAMIC = 0,
- V42BIS_COMPRESSION_MODE_ALWAYS,
- V42BIS_COMPRESSION_MODE_NEVER
-};
-
-typedef void (*put_msg_func_t)(void *user_data, const uint8_t *msg, int len);
-
-/*!
- V.42bis compression/decompression descriptor. This defines the working state for a
- single instance of V.42bis compress/decompression.
-*/
-typedef struct v42bis_state_s v42bis_state_t;
-
-#if defined(__cplusplus)
-extern "C"
-{
-#endif
-
-/*! Compress a block of octets.
- \param s The V.42bis context.
- \param buf The data to be compressed.
- \param len The length of the data buffer.
- \return 0 */
-SPAN_DECLARE(int) v42bis_compress(v42bis_state_t *s, const uint8_t buf[], int len);
-
-/*! Flush out any data remaining in a compression buffer.
- \param s The V.42bis context.
- \return 0 */
-SPAN_DECLARE(int) v42bis_compress_flush(v42bis_state_t *s);
-
-/*! Decompress a block of octets.
- \param s The V.42bis context.
- \param buf The data to be decompressed.
- \param len The length of the data buffer.
- \return 0 */
-SPAN_DECLARE(int) v42bis_decompress(v42bis_state_t *s, const uint8_t buf[], int len);
-
-/*! Flush out any data remaining in the decompression buffer.
- \param s The V.42bis context.
- \return 0 */
-SPAN_DECLARE(int) v42bis_decompress_flush(v42bis_state_t *s);
-
-/*! Set the compression mode.
- \param s The V.42bis context.
- \param mode One of the V.42bis compression modes -
- V42BIS_COMPRESSION_MODE_DYNAMIC,
- V42BIS_COMPRESSION_MODE_ALWAYS,
- V42BIS_COMPRESSION_MODE_NEVER */
-SPAN_DECLARE(void) v42bis_compression_control(v42bis_state_t *s, int mode);
-
-/*! Initialise a V.42bis context.
- \param s The V.42bis context.
- \param negotiated_p0 The negotiated P0 parameter, from the V.42bis spec.
- \param negotiated_p1 The negotiated P1 parameter, from the V.42bis spec.
- \param negotiated_p2 The negotiated P2 parameter, from the V.42bis spec.
- \param encode_handler Encode callback handler.
- \param encode_user_data An opaque pointer passed to the encode callback handler.
- \param max_encode_len The maximum length that should be passed to the encode handler.
- \param decode_handler Decode callback handler.
- \param decode_user_data An opaque pointer passed to the decode callback handler.
- \param max_decode_len The maximum length that should be passed to the decode handler.
- \return The V.42bis context. */
-SPAN_DECLARE(v42bis_state_t *) v42bis_init(const void *ctx,
- v42bis_state_t *s,
- int negotiated_p0,
- int negotiated_p1,
- int negotiated_p2,
- put_msg_func_t encode_handler,
- void *encode_user_data,
- int max_encode_len,
- put_msg_func_t decode_handler,
- void *decode_user_data,
- int max_decode_len);
-
-/*! Release a V.42bis context.
- \param s The V.42bis context.
- \return 0 if OK */
-SPAN_DECLARE(int) v42bis_release(v42bis_state_t *s);
-
-/*! Free a V.42bis context.
- \param s The V.42bis context.
- \return 0 if OK */
-SPAN_DECLARE(int) v42bis_free(v42bis_state_t *s);
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
-/*- End of file ------------------------------------------------------------*/