typedef struct SDL_keysym {
        Uint8 scancode;   /* hardware specific scancode */
        SDLKey sym;               /* SDL virtual keysym */
        SDLMod mod;               /* current key modifiers */
        Uint16 unicode;   /* translated character */
} SDL_keysym;

typedef struct SDL_KeyboardEvent {
        Uint8 type;     /* SDL_KEYDOWN or SDL_KEYUP */
        Uint8 which;    /* The keyboard device index */
        Uint8 state;    /* SDL_PRESSED or SDL_RELEASED */
        SDL_keysym keysym;
} SDL_KeyboardEvent;

typedef union {
        Uint8 type;
        SDL_ActiveEvent active;
        SDL_KeyboardEvent key;
        SDL_MouseMotionEvent motion;
        SDL_MouseButtonEvent button;
        SDL_JoyAxisEvent jaxis;
        SDL_JoyBallEvent jball;
        SDL_JoyHatEvent jhat;
        SDL_JoyButtonEvent jbutton;
        SDL_ResizeEvent resize;
        SDL_ExposeEvent expose;
        SDL_QuitEvent quit;
        SDL_UserEvent user;
        SDL_SysWMEvent syswm;
} SDL_Event;