---
name: "SDL_hid_get_serial_number_string"
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_hid_get_serial_number_string"
---

# SDL\_hid\_get\_serial\_number\_string(3)

Get The Serial Number String from a HID device.

## NAME

SDL\_hid\_get\_serial\_number\_string - Get The Serial Number String from a HID device.

## HEADER FILE

Defined in SDL3/SDL\_hidapi.h

## SYNOPSIS

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

**int SDL\_hid\_get\_serial\_number\_string(SDL\_hid\_device \*dev, wchar\_t \*string, size\_t maxlen);**

## FUNCTION PARAMETERS

- *dev*

  a device handle returned from  **SDL\_hid\_open** ().

- *string*

  a wide string buffer to put the data into.

- *maxlen*

  the length of the buffer in multiples of wchar\_t.

## RETURN VALUE

Returns 0 on success or a negative error code on failure; call

**SDL\_GetError** () for more information.

## AVAILABILITY

This function is available since SDL 3.2.0.
