Function esp_idf_hal::sys::rtc_isr_deregister

pub unsafe extern "C" fn rtc_isr_deregister(
    handler: Option<unsafe extern "C" fn(_: *mut c_void)>,
    handler_arg: *mut c_void
) -> i32

@brief Deregister the handler previously registered using rtc_isr_register @param handler handler function to call (as passed to rtc_isr_register) @param handler_arg argument of the handler (as passed to rtc_isr_register) @return - ESP_OK on success - ESP_ERR_INVALID_STATE if a handler matching both handler and handler_arg isn’t registered