Bitmap ->
Arg A : Array : Integer : 2^8

LooksLike A PNG_FILE >>
Convert >?< A BC_PNG

LooksLike A GIF_FILE >>
Convert >?< A BC_GIF

LooksLike A JPEG_FILE >>
Convert >?< A BC_JPEG

LooksLike A BMP_FILE >>
= >?< A

>>
Exit ERR_FILE_FORMAT