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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
uio.h
Abstract:
I/O structure definitions for compatibility with BSD.
Author:
Mike Massa (mikemas) Jan 31, 1992
Revision History:
Who When What
-------- -------- ----------------------------------------------
mikemas 01-31-92 created
Notes:
--*/
/******************************************************************
*
* Spider BSD Compatibility
*
* Copyright 1990 Spider Systems Limited
*
* UIO.H
*
******************************************************************/
/*
* /usr/projects/tcp/SCCS.rel3/rel/src/include/bsd/sys/0/s.uio.h
* @(#)uio.h 5.3
*
* Last delta created 14:41:47 3/4/91
* This file extracted 11:24:29 3/8/91
*
* Modifications:
*
* GSS 19 Jun 90 New File
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)uio.h 7.1 (Berkeley) 6/4/86
*/
#ifndef _UIO_
#define _UIO_
typedef long daddr_t;
typedef char FAR * caddr_t;
struct iovec {
caddr_t iov_base;
int iov_len;
};
struct uio {
struct iovec *uio_iov;
int uio_iovcnt;
int uio_offset;
int uio_segflg;
int uio_resid;
};
enum uio_rw { UIO_READ, UIO_WRITE };
/*
* Segment flag values (should be enum).
*/
#define UIO_USERSPACE 0 /* from user data space */
#define UIO_SYSSPACE 1 /* from system space */
#define UIO_USERISPACE 2 /* from user I space */
#endif
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