| /* 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 */ |