DEFINITION MODULE readiff; IMPORT id:IntuitionD; TYPE IFFErrors = (iffNoErr,iffOutOfMem,iffOpenScreenfailed,iffHeaderfailed, iffOpenfailed,iffWrongIFF,iffReadWritefailed); VAR IFFError: IFFErrors; PROCEDURE ReadILBM(name:ARRAY OF CHAR;VAR YourScreen:id.ScreenPtr):IFFErrors; END readiff.