typedef enum _LL_ERROR {
    LL_ERROR_SUCCESS = 0,
    LL_INVALID_PARAMETER,
    LL_OUT_OF_MEMORY,
    LL_PARENT_LIST_FULL,
    LL_CHILD_LIST_FULL,
    LL_PARAM_NOT_SETABLE,
    LL_MAX_ERRORS
} LL_ERROR; // <-- warning on this line