Type Alias paho_mqtt_sys::MQTTAsync_messageArrived
source · pub type MQTTAsync_messageArrived = Option<unsafe extern "C" fn(context: *mut c_void, topicName: *mut c_char, topicLen: c_int, message: *mut MQTTAsync_message) -> c_int>;
Aliased Type§
enum MQTTAsync_messageArrived {
None,
Some(unsafe extern "C" fn(_: *mut c_void, _: *mut i8, _: i32, _: *mut MQTTAsync_message) -> i32),
}