Cmds : module	# cmd.b
{
	PATH: con "/dis/lib/cmd.dis";
	Cmd : adt {
		in, out : ref Iobuf;
		clone : ref Sys->FD;
		ctl : ref Iobuf;
		wctl: fn(c : self ref Cmd, msg : string);
	};
	init:	fn(ctxt: ref Context, argv: list of string);
	new_cmd: fn() : ref Cmd;
};