Function paho_mqtt_sys::MQTTProperties_getNumericValueAt

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

Returns the integer value of a specific property when it's not the only instance. The property given must be a numeric type. @param props pointer to the property list. @param propid the property id to check for. @param index the instance number, starting at 0. @return the integer value of the property. -9999999 on failure.