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HEAD
Research V7 release
[unix-history]
/
usr
/
include
/
sys
/
conf.h
/*
* Declaration of block device
* switch. Each entry (row) is
* the only link between the
* main unix code and the driver.
* The initialization of the
* device switches is in the
* file conf.c.
*/
extern
struct
bdevsw
{
int
(*
d_open
)();
int
(*
d_close
)();
int
(*
d_strategy
)();
struct
buf
*
d_tab
;
}
bdevsw
[];
/*
* Character device switch.
*/
extern
struct
cdevsw
{
int
(*
d_open
)();
int
(*
d_close
)();
int
(*
d_read
)();
char
*(*
d_write
)();
int
(*
d_ioctl
)();
int
(*
d_stop
)();
struct
tty
*
d_ttys
;
}
cdevsw
[];
/*
* tty line control switch.
*/
extern
struct
linesw
{
int
(*
l_open
)();
int
(*
l_close
)();
int
(*
l_read
)();
int
(*
l_write
)();
int
(*
l_ioctl
)();
int
(*
l_rint
)();
int
(*
l_rend
)();
int
(*
l_meta
)();
int
(*
l_start
)();
int
(*
l_modem
)();
}
linesw
[];