Function sdl2_sys::SDL_GetKeyboardState

pub unsafe extern "C" fn SDL_GetKeyboardState(
    numkeys: *mut c_int
) -> *const Uint8

\brief Get a snapshot of the current state of the keyboard.

\param numkeys if non-NULL, receives the length of the returned array.

\return An array of key states. Indexes into this array are obtained by using ::SDL_Scancode values.

\b Example: \code const Uint8 *state = SDL_GetKeyboardState(NULL); if ( state[SDL_SCANCODE_RETURN] ) { printf(" is pressed.\n"); } \endcode