Print: module{	PATH: con "/dis/lib/print/print.dis";	CONFIG_PATH: con "/lib/print/"; 	init: fn(): int;	set_printfd: fn(fd: ref Sys->FD);	print_image: fn(p: ref Printer, display: ref Draw->Display, im: ref Draw->Image, pcwidth: int, cancel: chan of int): int;	print_textfd: fn(p: ref Printer, fd: ref Sys->FD, ps: real, pr: int, wrap: int): int;	get_defprinter: fn(): ref Printer;	set_defprinter: fn(p: ref Printer);	get_size: fn(p: ref Printer): (int, int, int);	# dpi, xpixels, ypixels	get_printers: fn(): list of ref Printer;	get_papers: fn(): list of ref Paper;	save_settings: fn(): int; 	# Printer types		Ptype: adt {		name: string;		desc: string;		modes: list of ref Pmode;		driver: string;		hpmapfile: string;	};		# Paper sizes		Paper: adt {		name: string;		hpcode: string;		width_inches: real;		height_inches: real;	};		# Print modes		Pmode: adt {		name: string;		desc: string;		resx: int;		resy: int;		blackdepth: int;		coldepth: int;		blackresmult: int;	};		# Print options		Popt: adt {		name: string;		mode: ref Pmode;		paper: ref Paper;		orientation: int;		duplex: int;	};		# Printer instance		PORTRAIT: con 0;	LANDSCAPE: con 1;		DUPLEX_OFF: con 0;	DUPLEX_LONG: con 1;	DUPLEX_SHORT: con 2;		Printer: adt {		name: string;		ptype: ref Ptype;		device: string;		popt: ref Popt;		pdriver: Pdriver;	}; };  Pdriver: module{	PATHPREFIX: con "/dis/lib/print/";	DATAPREFIX: con "/lib/print/"; 	init: fn(debug: int);	sendimage: fn(p: ref Print->Printer, tfd: ref Sys->FD, display: ref Draw->Display, im: ref Draw->Image, width: int, lmargin: int, cancel: chan of int): int;	sendtextfd: fn(p: ref Print->Printer, pfd, tfd: ref Sys->FD, ps: real, pr: int, wrap: int): int;	printable_pixels: fn(p: ref Print->Printer): (int, int); };