| /* Copyright (C) 1991, 92, 96, 97, 98, 99, 2003 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 IOVEC, 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 IOVEC instead of a contiguous buffer. |
| |
| This function is a cancellation point and therefore not marked with |
| __THROW. */ |
| extern ssize_t readv (int __fd, __const struct iovec *__iovec, int __count); |
| |
| /* Write data pointed by the buffers described by IOVEC, 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 IOVEC instead of a contiguous buffer. |
| |
| This function is a cancellation point and therefore not marked with |
| __THROW. */ |
| extern ssize_t writev (int __fd, __const struct iovec *__iovec, int __count); |
| |
| __END_DECLS |
| |
| #endif /* sys/uio.h */ |
