---
name: "suswintr"
section: "9"
platform: "linux"
package: "freebsd-manpages"
version: "6.0-5"
release: "Debian 4.0 (Etch)"
platforms: ["linux"]
url: "https://new.carta.tech/suswintr"
---

# suswintr(9)

store data to user-space

## 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)](/copy/9.md), [fetch(9)](/fetch/9.md)