Function esp_idf_sys::esp_mqtt_client_register_event

pub unsafe extern "C" fn esp_mqtt_client_register_event(
    client: esp_mqtt_client_handle_t,
    event: esp_mqtt_event_id_t,
    event_handler: esp_event_handler_t,
    event_handler_arg: *mut c_void
) -> esp_err_t

@brief Registers MQTT event

@param client MQTT client handle @param event event type @param event_handler handler callback @param event_handler_arg handlers context

@return ESP_ERR_NO_MEM if failed to allocate ESP_ERR_INVALID_ARG on wrong initialization ESP_OK on success