diff options
author | Erik Andersen <andersen@codepoet.org> | 2000-05-14 04:16:35 +0000 |
---|---|---|
committer | Erik Andersen <andersen@codepoet.org> | 2000-05-14 04:16:35 +0000 |
commit | 64bc6412188b141c010ac3b8e813b837dd991e80 (patch) | |
tree | ffa12b79ea4b13191754f54b872eb1a4f9e3a04b /include/sys/uio.h |
Initial revision
Diffstat (limited to 'include/sys/uio.h')
-rw-r--r-- | include/sys/uio.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/sys/uio.h b/include/sys/uio.h new file mode 100644 index 000000000..87120e6ff --- /dev/null +++ b/include/sys/uio.h @@ -0,0 +1,65 @@ +/* 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 */ |