InitializeDifferenceImageOptions 1831 magick/command.c   InitializeDifferenceImageOptions(&difference_options,exception);
InitializeDifferenceImageOptions   37 magick/compare.h   InitializeDifferenceImageOptions(DifferenceImageOptions *options,
InitializeDifferenceImageOptions 1327 wand/magick_wand.c   InitializeDifferenceImageOptions(&difference_options,