---
name: "SDL_HINT_HIDAPI_UDEV"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_HINT_HIDAPI_UDEV"
---

# SDL\_HINT\_HIDAPI\_UDEV(3)

A variable to control whether HIDAPI uses udev for device detection.

## NAME

SDL\_HINT\_HIDAPI\_UDEV - A variable to control whether HIDAPI uses udev for device detection.

## HEADER FILE

Defined in SDL3/SDL\_hints.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**#define SDL\_HINT\_HIDAPI\_UDEV** *SDL\_HIDAPI\_UDEV"*

## DESCRIPTION

The variable can be set to the following values:

• "0": HIDAPI will poll for device changes.

• "1": HIDAPI will use udev for device detection. (default)

This hint should be set before SDL is initialized.

## AVAILABILITY

This hint is available since SDL 3.2.0.