// taken from http://www.adp-gmbh.ch/cpp/common/base64.html#ifndef BASE64_H_5FKG12HF#define BASE64_H_5FKG12HF#include <string>namespace uscxml {
std::string base64_encode(char const* ,unsigned int len);
std::string base64_decode(std::string const& s);}#endif/* end of include guard: BASE64_H_5FKG12HF */