Type Definition paho_mqtt_sys::Persistence_clear

type Persistence_clear = Option<unsafe extern "C" fn(handle: *mut c_void) -> c_int>;

@brief Clears the persistence store, so that it no longer contains any persisted data.

@param handle The handle pointer from a successful call to Persistence_open(). @return Return 0 if the function completes successfully, otherwise return ::MQTTCLIENT_PERSISTENCE_ERROR.