21     static std::string 
encode(
const std::string& bufplain);
 
   23     static std::string 
decode(
const std::string& bufcoded);
 
   27     static int encode_len(
int len);
 
   30     static int encode(
char *encoded, 
const char *
string, 
int len);
 
   31     static int decode_len(
const char *bufcoded);
 
   34     static int decode(
char *bufplain, 
const char *bufcoded);
 
   38 #endif // ARCLIB_BASE64