RImagefile: module {	READGIFPATH:	con "/dis/lib/readgif.dis";	READJPGPATH:	con "/dis/lib/readjpg.dis";	READXBMPATH:	con "/dis/lib/readxbitmap.dis";	READPICPATH:	con "/dis/lib/readpicfile.dis";	READPNGPATH:	con "/dis/lib/readpng.dis"; 	Rawimage: adt	{		r:	Draw->Rect;		cmap:    array of byte;		transp:  int;	# transparency flag (only for nchans=1)		trindex: byte;	# transparency index		nchans:  int;		chans:   array of array of byte;		chandesc:int; 		fields:	int;    # defined by format	}; 	# chandesc	CRGB:   con 0;  # three channels, no map	CY:     con 1;  # one channel, luminance	CRGB1:  con 2;  # one channel, map present 	init:	fn(bufio: Bufio);	read:	fn(fd: ref Bufio->Iobuf): (ref Rawimage, string);	readmulti:	fn(fd: ref Bufio->Iobuf): (array of ref Rawimage, string);}; WImagefile: module {	WRITEGIFPATH:	con "/dis/lib/writegif.dis"; 	init:	fn(bufio: Bufio);#	write:	fn(fd: ref Bufio->Iobuf, ref RImagefile->Rawimage): string;	writeimage:	fn(fd: ref Bufio->Iobuf, image: ref Draw->Image): string;};  Imageremap: module{	PATH:	con "/dis/lib/imageremap.dis"; 	init:	fn(d: ref Draw->Display);	remap:	fn(i: ref RImagefile->Rawimage, d: ref Draw->Display, errdiff: int): (ref Draw->Image, string);};