= SDL_JoystickGetDeviceInstanceID =

Get the instance ID of a joystick.

== Syntax ==

<syntaxhighlight lang='c'>
SDL_JoystickID SDL_JoystickGetDeviceInstanceID(int device_index);
</syntaxhighlight>

== Function Parameters ==

{|
|'''device_index'''
|the index of the joystick to query (the N'th joystick on the system
|}

== Return Value ==

Returns the instance id of the selected joystick. If called on an invalid
index, this function returns zero

== Remarks ==

This can be called before any joysticks are opened. If the index is out of
range, this function will return -1.

== Version ==

This function is available since SDL 2.0.6.

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[[CategoryAPI]]