Selectfile: module{	PATH:	con "/dis/lib/selectfile.dis"; 	init:	fn(): string;	filename:	fn(ctxt: ref Draw->Context, parent: ref Draw->Image,				title: string,				pat: list of string,				dir: string): string;#	select: fn(top: ref Tk->Toplevel, w: string,#			root, dir: string,#			pats: list of string, action: string): chan of (int, string);};