text: Do not count last NULL character .
code: len_str -= 1 ; printf ( " Encoded ▁ string ▁ : ▁ % s STRNEWLINE " , encoded_string ) ; printf ( " Decoded _ string ▁ : ▁ % s STRNEWLINE " , base64Decoder ( encoded_string , len_str ) ) ; return 0 ; }