Function OH_Input_GetKeyEventKeyCode 

pub unsafe extern "C" fn OH_Input_GetKeyEventKeyCode(
    keyEvent: *const Input_KeyEvent,
) -> i32

@brief Obtains the key code value of a key event.

@param keyEvent KeyEvent object, which can be created through {@link OH_Input_CreateKeyEvent()}.
If the key event object is no longer needed, destroy it by calling {@link OH_Input_DestroyKeyEvent()}. @return Key code of a key event. For details, see {@link Input_KeyCode}. @syscap SystemCapability.MultimodalInput.Input.Core @since 12