pub unsafe extern "C" fn LL_RTC_Init(
RTCx: *mut RTC_TypeDef,
RTC_InitStruct: *mut LL_RTC_InitTypeDef,
) -> ErrorStatuspub unsafe extern "C" fn LL_RTC_Init(
RTCx: *mut RTC_TypeDef,
RTC_InitStruct: *mut LL_RTC_InitTypeDef,
) -> ErrorStatus