ump_message_group
ev.source.port = ump_group_to_seq_port(ump_message_group(*val));
return ump_message_group(ump_ev->ump[0]) + 1;
group = ump_message_group(ev->ump[0]);
ump_message_group(*ump_ev->ump) + 1 != dest_port->ump_group)
*group_ret = ump_message_group(*data);