FileFormat ->
Arg Bytes : Array : Integer : 2^8, . : FF_IMAGE

FILE_PNG << Bytes IS_PNG
FILE_JPG << Bytes IS_JPEG
FILE_GIF << Bytes IS_GIF87
FILE_GIF << Bytes IS_GIF89A
FILE_ICO << Bytes IS_PM_ICON
FILE_BMP << Bytes IS_PM_BITMAP

         >> Exit ERR_FILE_FORMAT

/