STORE(9) MidnightBSD Kernel Developer’s Manual STORE(9)

NAME

store, subyte, susword, suswintr, suword — store data to user-space

SYNOPSIS

#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/resourcevar.h>

int

subyte(void *base, int byte);

int

susword(void *base, int word);

int

suswintr(void *base, int word);

int

suword(void *base, long word);

DESCRIPTION

The store functions are designed to copy small amounts of data to user-space.

The store routines provide the following functionality:

subyte()

Stores a byte of data to the user-space address base.

susword()

Stores a short word of data to the user-space address base.

suswintr()

Stores a short word of data to the user-space address base. This function is safe to call during an interrupt context.

suword()

Stores a word of data to the user-space address base.

RETURN VALUES

The store functions return 0 on success or -1 on failure.

SEE ALSO

copy(9), fetch(9)

MidnightBSD 0.3 January 7, 1996 MidnightBSD 0.3