SDL_GamepadButtonLabel.3type - Man Page

#include <SDL3/SDL_gamepad.h>

typedef enum SDL_GamepadButtonLabel
{
    SDL_GAMEPAD_BUTTON_LABEL_UNKNOWN,
    SDL_GAMEPAD_BUTTON_LABEL_A,
    SDL_GAMEPAD_BUTTON_LABEL_B,
    SDL_GAMEPAD_BUTTON_LABEL_X,
    SDL_GAMEPAD_BUTTON_LABEL_Y,
    SDL_GAMEPAD_BUTTON_LABEL_CROSS,
    SDL_GAMEPAD_BUTTON_LABEL_CIRCLE,
    SDL_GAMEPAD_BUTTON_LABEL_SQUARE,
    SDL_GAMEPAD_BUTTON_LABEL_TRIANGLE
} SDL_GamepadButtonLabel;

This isn't a complete set, just the face buttons to make it easy to show button prompts.

For a complete set, you should look at the button and gamepad type and have a set of symbols that work well with your art style.

This enum is available since SDL 3.2.0.