#include #include #include "impl/user_mqtt_impl.h" mqtt_influx_ret_t user_mqtt_get_nsec_timestamp_cb(user_mqtt_impl_t *handle, char *timestamp_string) { sprintf(timestamp_string, "00000000"); return MQTT_INFLUX_OK; } mqtt_influx_ret_t user_mqtt_publish_message_cb(user_mqtt_impl_t *handle, char *data) { fprintf(stderr, data); }