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Length: 1539 (0x603)
Types: TextFile
Notes: UNIX file
Names: »dosfio.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/fs/dosfio.h«
/*
* Copyrighted as an unpublished work.
* (c) Copyright 1987 INTERACTIVE Systems Corporation
* All rights reserved.
*
* RESTRICTED RIGHTS
*
* These programs are supplied under a license. They may be used,
* disclosed, and/or copied only as permitted under such license
* agreement. Any copy must contain the above copyright notice and
* this restricted rights notice. Use, copying, and/or disclosure
* of the programs is strictly prohibited unless otherwise provided
* in the license agreement.
*
*/
#ident "@(#)dosfio.h 1.2 - 87/07/31"
#ident "@(#) (c) Copyright INTERACTIVE Systems Corporation 1987"
/*
* structure that controls DOS file I/O
*/
struct dosfio {
inode_t *ip; /* generic inode pointer */
long offset; /* offset in file for operation */
long startfs; /* file system offset of section start */
long start; /* file offset of section start */
long end; /* file offset of section end */
long wcount; /* write count on file writes */
char *startaddr; /* section start addr in buffer */
buf_t *bp; /* buffer header pointer */
daddr_t blkno; /* current block number */
ushort lclstr; /* current logical cluster in file */
ushort pclstr; /* current physical cluster */
ushort npclstr; /* next physical cluster */
};
/* Error codes returned by "dosfread" */
#define DEOF -1 /* EOF file on read */
#define DERROR 1 /* Error in file system */