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- /* Copyright (C) 1991, 1992 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
- #ifndef _SYS_UIO_H
- #define _SYS_UIO_H 1
- #include <features.h>
- __BEGIN_DECLS
- #define __need_size_t
- #include <stddef.h>
- /* That is a klude for Linux. */
- #ifdef __linux__
- #include <linux/socket.h>
- #endif
- #ifndef __LINUX_UIO_H
- /* Structure describing a section of memory. */
- struct iovec
- {
- /* Starting address. */
- __ptr_t iov_base;
- /* Length in bytes. */
- size_t iov_len;
- };
- #endif
- /* 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. */
- int readv __P ((int __fd, __const struct iovec * __vector, size_t __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. */
- int writev __P ((int __fd, __const struct iovec * __vector, size_t __count));
- __END_DECLS
- #endif /* sys/uio.h */
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