typedef void(* MyQttdOnDateChange)(MyQttdCtx *ctx, long new_value, axlPointer user_data)

Handler that represents those functions that are called to notify day and month change.

ctxThe context where the operation will take place.
new_valueThe new value being notified: may it be day or month value.
user_dataUser defined pointer to be defined at myqttd_ctx_add_on_day_change