/* 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, see <http://www.gnu.org/licenses/>. */ #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 */