module GTPv1U_CodecPort_CtrlFunct {
import from GTPv1U_CodecPort all;
import from IPL4asp_Types all;
external function f_GTPU_listen(
inout GTPU_PT portRef,
in HostName locName,
in PortNumber locPort,
in ProtoTuple proto,
in OptionList options := {}
) return Result;
}