Dial: module{	PATH: con "/dis/lib/dial.dis"; 	Connection: adt	{		dfd:	ref Sys->FD;		cfd:	ref Sys->FD;		dir:	string;	}; 	Conninfo: adt	{		dir:	string;		root:	string;		spec:	string;		lsys:	string;		lserv:	string;		rsys:	string;		rserv:	string;		laddr:	string;		raddr:	string;	}; 	announce:	fn(addr: string): ref Connection;	dial:	fn(addr, local: string): ref Connection;	listen:	fn(c: ref Connection): ref Connection;	accept:	fn(c: ref Connection): ref Sys->FD;	reject:	fn(c: ref Connection, why: string): int;#	parse:	fn(addr: string): (string, string, string); 	netmkaddr:	fn(addr, net, svc: string): string;	netinfo:	fn(c: ref Connection): ref Conninfo;};