Function pamoja_mqtt_message_topic 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_mqtt_message_topic(
    message: *const PamojaMqttMessage,
) -> *const c_char

Returns the topic a message was published to.

Returns

A pointer to a null-terminated UTF-8 string valid until the message is freed, or null if message is null.

Safety

message must be a live handle from pamoja_mqtt_client_recv, or null.