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/* Copyright (C) 1991, 92, 96, 97, 98, 99 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 Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; 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 <bits/uio.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 (int __fd, __const struct iovec *__vector, int __count)

     __THROW;

/* 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 (int __fd, __const struct iovec *__vector, int __count)

     __THROW;

__END_DECLS

#endif /* sys/uio.h */