Function paho_mqtt_sys::MQTTProperties_hasProperty

pub unsafe extern "C" fn MQTTProperties_hasProperty(
    props: *mut MQTTProperties, 
    propid: MQTTPropertyCodes
) -> c_int

Checks if property list contains a specific property. @param props pointer to the property list. @param propid the property id to check for. @return 1 if found, 0 if not.