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