io.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _IO_H
# define _IO_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" { /*}*/
#endif
#ifndef __P
# ifdef __STDC__
# define __P(args) args
# else
# define __P(args) ()
# endif
#endif /*__P */
struct _stream;
typedef struct _stream *stream_t;
#define MU_STREAM_READ 0x00000001
#define MU_STREAM_WRITE 0x00000002
#define MU_STREAM_RDWR 0x00000004
#define MU_STREAM_APPEND 0x00000008
#define MU_STREAM_CREAT 0x00000010
#define MU_STREAM_NONBLOCK 0x00000020
/* stream will be destroy on stream_destroy */
#define MU_STREAM_NO_CHECK 0x00000040
extern int stream_create __P ((stream_t *, int flags, void *owner));
extern void stream_destroy __P ((stream_t *, void *owner));
extern int stream_set_destroy __P ((stream_t, void (*_destroy)
__P ((stream_t)), void *owner));
extern int stream_open __P ((stream_t, const char *, int, int));
extern int stream_set_open __P ((stream_t, int (*_open)
__P ((stream_t, const char *, int, int)),
void *owner));
extern int stream_close __P ((stream_t));
extern int stream_set_close __P ((stream_t, int (*_close) __P ((stream_t)),
void *owner));
extern int stream_get_fd __P ((stream_t , int *));
extern int stream_set_fd __P ((stream_t, int (*_get_fd)(stream_t, int *),
void *owner));
extern int stream_read __P ((stream_t, char *, size_t,
off_t, size_t *));
extern int stream_set_read __P ((stream_t, int (*_read)
__P ((stream_t, char *, size_t,
off_t, size_t *)),
void *owner));
extern int stream_readline __P ((stream_t, char *, size_t,
off_t, size_t *));
extern int stream_set_readline __P ((stream_t, int (*_readline)
__P ((stream_t, char *, size_t,
off_t, size_t *)),
void *owner));
extern int stream_size __P ((stream_t, off_t *));
extern int stream_set_size __P ((stream_t, int (*_size)
__P ((stream_t, off_t *)), void *owner));
extern int stream_truncate __P ((stream_t, off_t));
extern int stream_set_truncate __P ((stream_t, int (*_truncate)
__P ((stream_t, off_t)), void *owner));
extern int stream_write __P ((stream_t, const char *, size_t,
off_t, size_t *));
extern int stream_set_write __P ((stream_t, int (*_write)
__P ((stream_t, const char *,
size_t, off_t, size_t *)),
void *owner));
extern int stream_flush __P ((stream_t));
extern int stream_set_flush __P ((stream_t, int (*_flush)
__P ((stream_t)), void *owner));
extern int stream_get_flags __P ((stream_t, int *pflags));
extern int stream_set_flags __P ((stream_t, int flags, void *owner));
#define MU_STREAM_STATE_OPEN 1
#define MU_STREAM_STATE_READ 2
#define MU_STREAM_STATE_WRITE 4
#define MU_STREAM_STATE_CLOSE 8
extern int stream_get_state __P ((stream_t, int *pstate));
/* misc */
extern int file_stream_create __P ((stream_t *stream));
extern int mapfile_stream_create __P ((stream_t *stream));
extern int encoder_stream_create __P ((stream_t *stream, stream_t iostream,
const char *encoding));
extern int decoder_stream_create __P ((stream_t *stream, stream_t iostream,
const char *encoding));
extern int tcp_stream_create __P ((stream_t *stream));
#ifdef __cplusplus
}
#endif
#endif /* _IO_H */