/usr/lib/swipl/library/ext/clib/udp_broadcast.pl
All Application Manual Name SummaryHelp

 udp_peer_add(+Scope, +Address) is det
 udp_peer_del(+Scope, ?Address) is det
 udp_peer(?Scope, ?Address) is nondet
Manage and query the set of known peers for a unicast network. Address is either a term IP:Port or a plain IP address. In the latter case the default port registered with the scope is used.
Arguments:
Address- has canonical form ip(A,B,C,D):Port.