ppmtoacad: 0 0 0 0
ppmtoapplevol: 0 0 0 0
ppmtoascii: 0 0 0 0
ppmtoicr -windowname testimage: 0 0 0 0
ppmtolj: 0 0 0 0
ppmtomitsu: 0 0 0 0
ppmtopgm: 0 0 0 0
ppmtopuzz: 0 0 0 0
ppmtosixel: 0 0 0 0
ppmtoterm: 0 0 0 0
ppmtoyuvsplit: 0 0 0 0