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libcasio/lib/stream/builtin/streams/streams.h

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C

/* ****************************************************************************
* stream/builtin/streams/streams.h -- built-in STREAMS stream internals.
* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of libcasio.
* libcasio is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3.0 of the License,
* or (at your option) any later version.
*
* libcasio 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 libcasio; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
#ifndef LOCAL_STREAM_BUILTIN_STREAMS_H
# define LOCAL_STREAM_BUILTIN_STREAMS_H 1
# include "../builtin.h"
# ifndef LIBCASIO_DISABLED_STREAMS
# include <sys/stat.h>
# include <sys/ioctl.h>
# include <fcntl.h>
# include <unistd.h>
# include <errno.h>
# include <termios.h>
/* The cookie type. */
# define BUFSIZE 2048
typedef struct {
int _readfd, _writefd;
int _closeread, _closewrite;
/* Buffer [control] */
ssize_t _start, _end;
unsigned char _buffer[BUFSIZE];
} streams_cookie_t;
/* General callbacks. */
CASIO_EXTERN int CASIO_EXPORT casio_streams_close
OF((streams_cookie_t *casio__cookie));
CASIO_EXTERN int CASIO_EXPORT casio_streams_settm
OF((streams_cookie_t *casio__cookie,
const casio_timeouts_t *casio__timeouts));
/* Character device callbacks. */
CASIO_EXTERN int CASIO_EXPORT casio_streams_read
OF((streams_cookie_t *casio__cookie,
unsigned char *casio__dest, size_t casio__size));
CASIO_EXTERN int CASIO_EXPORT casio_streams_write
OF((streams_cookie_t *casio__cookie,
const unsigned char *casio__data, size_t casio__size));
/* Serial callbacks. */
CASIO_EXTERN int CASIO_EXPORT casio_streams_setattrs
OF((streams_cookie_t *casio__cookie,
const casio_streamattrs_t *casio__settings));
/* SCSI callbacks. */
# if 0
CASIO_EXTERN int CASIO_EXPORT casio_streams_scsi_request
OF((streams_cookie_t *casio__cookie, casio_scsi_t *casio__request));
# endif
# endif
#endif /* LOCAL_STREAM_BUILTIN_STREAMS_H */