io0.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 _IO0_H
# define _IO0_H
#include <io.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __P
# ifdef __STDC__
# define __P(args) args
# else
# define __P(args) ()
# endif
#endif /*__P */
struct _istream
{
/* owner of the stream can not be a specific type */
void *owner;
int ref_count;
int (*_read) __P ((istream_t, char *, size_t, off_t, ssize_t *));
};
struct _ostream
{
/* owner of the stream can not be a specific type */
void *owner;
int ref_count;
int (*_write) __P ((ostream_t, const char *, size_t, off_t, ssize_t *));
};
extern int istream_init __P ((istream_t *,
int (*_read) __P ((istream_t, char *,
size_t, off_t, ssize_t *)),
void *owner));
extern void istream_destroy __P ((istream_t *, void *owner));
extern int ostream_init __P ((ostream_t *,
int (*_write) __P ((ostream_t, const char *,
size_t, off_t, ssize_t *)),
void *owner));
extern void ostream_destroy __P ((ostream_t *, void *owner));
#ifdef __cplusplus
}
#endif
#endif /* _IO0_H */