whatletter       1978 lib/gocr/pgm2asc.c         cc=whatletter(box2,cs   ,0);
whatletter       2209 lib/gocr/pgm2asc.c           ci[i]=whatletter(&boxa,cs,0); a2[i]=testac(&boxa,ci[i]);
whatletter       2233 lib/gocr/pgm2asc.c           ci[i]=whatletter(&boxb,cs,0); a2[i]=testac(&boxb,ci[i]);