STORE(9) |
Kernel Developer's Manual |
STORE(9) |
NAME
store, subyte, suibyte, susword, suswintr, suword, suiword — store data to user-space
SYNOPSIS
#include <sys/types.h>
#include <sys/systm.h>
int
subyte(void *base, int c);
int
susword(void *base, short c);
int
suswintr(void *base, short c);
int
suword(void *base, long c);
DESCRIPTION
The
store functions are designed to copy small amounts of data to the user-space of the currently running process.
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.