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Length: 954 (0x3ba)
Types: TextFile
Notes: UNIX file
Names: »saio.h«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/include/saio.h«
/*
* @(#)saio.h 1.2 7/13/83
* @(#)Copyright (C) 1983 by National Semiconductor Corp.
*/
/* saio.h 1.2 7/13/83 */
/*
* header file for standalone package
*/
/*
* io block: includes an
* inode, cells for the use of seek, etc,
* and a buffer.
*/
struct iob {
char i_flgs;
struct inode i_ino;
int i_unit;
daddr_t i_boff;
daddr_t i_cyloff;
off_t i_offset;
daddr_t i_bn;
char *i_ma;
int i_cc;
char i_buf[BSIZE];
};
#define F_READ 01
#define F_WRITE 02
#define F_ALLOC 04
#define F_FILE 010
/*
* dev switch
*/
struct devsw {
char *dv_name;
int (*dv_strategy)();
int (*dv_open)();
int (*dv_close)();
};
struct devsw devsw[];
/*
* request codes. Must be the same a F_XXX above
*/
#define READ 1
#define WRITE 2
#define NBUFS 4
char b[NBUFS][BSIZE];
daddr_t blknos[NBUFS];
#define NFILES 4
struct iob iob[NFILES];
#define PHYSUBA0 0x20006000
#define PHYSMBA0 0x20010000
#define PHYSMBA1 0x20012000
#define PHYSUMEM 0x2013e000