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/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_UIO_H
#define _SYS_UIO_H 1
#include <features.h>
#include <sys/types.h>
__BEGIN_DECLS
/* This file defines `struct iovec'. */
#include <iovec.h>
/* Read data from file descriptor FD, and put the result in the
buffers described by VECTOR, which is a vector of COUNT `struct iovec's.
The buffers are filled in the order specified.
Operates just like `read' (see <unistd.h>) except that data are
put in VECTOR instead of a contiguous buffer. */
extern ssize_t __readv __P ((int __fd, __const struct iovec *__vector,
int __count));
extern ssize_t readv __P ((int __fd, __const struct iovec *__vector,
int __count));
/* Write data pointed by the buffers described by VECTOR, which
is a vector of COUNT `struct iovec's, to file descriptor FD.
The data is written in the order specified.
Operates just like `write' (see <unistd.h>) except that the data
are taken from VECTOR instead of a contiguous buffer. */
extern ssize_t __writev __P ((int __fd, __const struct iovec *__vector,
int __count));
extern ssize_t writev __P ((int __fd, __const struct iovec *__vector,
int __count));
__END_DECLS
#endif /* sys/uio.h */
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