[+] def avoidZero ( src: Array [ Byte ] ) : Array [ Byte ]

[+] def decode ( xs: Array [ Byte ] ) : Int

[+] def decode7to8 ( src: Array [ Byte ] , srclen: Int ) : Int

[+] def encode ( xs: Array [ Byte ] ) : Array [ Byte ]

[+] def encode8to7 ( src: Array [ Byte ] ) : Array [ Byte ]

[+] def regenerateZero ( src: Array [ Byte ] ) : Int