| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1991, 92, 96, 97, 98, 99, 2003 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 17 | 02111-1307 USA. */ |
| 18 | |
| 19 | #ifndef _SYS_UIO_H |
| 20 | #define _SYS_UIO_H 1 |
| 21 | |
| 22 | #include <features.h> |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | |
| 26 | __BEGIN_DECLS |
| 27 | |
| 28 | /* This file defines `struct iovec'. */ |
| 29 | #include <bits/uio.h> |
| 30 | |
| 31 | |
| 32 | /* Read data from file descriptor FD, and put the result in the |
| 33 | buffers described by IOVEC, which is a vector of COUNT `struct iovec's. |
| 34 | The buffers are filled in the order specified. |
| 35 | Operates just like `read' (see <unistd.h>) except that data are |
| 36 | put in IOVEC instead of a contiguous buffer. |
| 37 | |
| 38 | This function is a cancellation point and therefore not marked with |
| 39 | __THROW. */ |
| 40 | extern ssize_t readv (int __fd, __const struct iovec *__iovec, int __count); |
| 41 | |
| 42 | /* Write data pointed by the buffers described by IOVEC, which |
| 43 | is a vector of COUNT `struct iovec's, to file descriptor FD. |
| 44 | The data is written in the order specified. |
| 45 | Operates just like `write' (see <unistd.h>) except that the data |
| 46 | are taken from IOVEC instead of a contiguous buffer. |
| 47 | |
| 48 | This function is a cancellation point and therefore not marked with |
| 49 | __THROW. */ |
| 50 | extern ssize_t writev (int __fd, __const struct iovec *__iovec, int __count); |
| 51 | |
| 52 | __END_DECLS |
| 53 | |
| 54 | #endif /* sys/uio.h */ |