suword (9)

Leading comments

	$NetBSD: store.9,v 1.2 1996/01/09 21:59:27 perry Exp $

 Copyright (c) 1996 Jason R. Thorpe.
 All rights reserved.

 This code is derived from software contributed by Kenneth Stailey.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary fo...

(The comments found at the beginning of the groff file "man9/suword.9freebsd".)

NAME

store subyte suswintr suword - store data to user-space

SYNOPSIS

In sys/types.h In sys/time.h In sys/systm.h Ft int Fn subyte void *base int byte Ft int Fn suword void *base long word Ft int Fn suword16 void *base int word Ft int Fn suword32 void *base int32_t word Ft int Fn suword64 void *base int64_t word In sys/resourcevar.h Ft int Fn suswintr void *base int word

DESCRIPTION

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

The ifconfig routines provide the following functionality:

Fn subyte

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

Fn suword

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

Fn suword16

Stores 16 bits of data to the user-space address base

Fn suword32

Stores 32 bits of data to the user-space address base

Fn suword64

Stores 64 bits of data to the user-space address base

Fn suswintr

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

RETURN VALUES

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

SEE ALSO

copy(9), fetch(9)