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SDL_SetGamepadPlayerIndex

Set the player index of an opened gamepad.

#include <SDL3/SDL_gamepad.h>
bool SDL_SetGamepadPlayerIndex(SDL_Gamepad *gamepad, int player_index);

the gamepad object to adjust.
player index to assign to this gamepad, or -1 to clear the player index and turn off player LEDs.

for more information.

This function is available since SDL 3.2.0.

SDL_GetGamepadPlayerIndex(3)