pub unsafe extern "C" fn esp_mqtt_set_config(
    client: *mut esp_mqtt_client,
    config: *const esp_mqtt_client_config_t
) -> i32
Expand description

@brief Set configuration structure, typically used when updating the config (i.e. on “before_connect” event

@param client MQTT client handle

@param config MQTT configuration structure

@return ESP_ERR_NO_MEM if failed to allocate ESP_ERR_INVALID_ARG if conflicts on transport configuration. ESP_OK on success