Function paho_mqtt_sys::MQTTProperties_add

pub unsafe extern "C" fn MQTTProperties_add(
    props: *mut MQTTProperties, 
    prop: *const MQTTProperty
) -> c_int

Add a property pointer to the property array. There is no memory allocation. @param props The property list to add the property to. @param prop The property to add to the list. @return 0 on success, -1 on failure.