std::string expandTilde(const std::string& s);
void bexec(const std::string& command, const std::string& displaystring);
std::string expandTilde(const std::string& s);
void bexec(const std::string& command, const std::string& displaystring);
std::string itostring(unsigned long i);
std::string itostring(long i);
inline std::string itostring(unsigned int i)
std::string itostring(unsigned long i);
std::string itostring(long i);
inline std::string itostring(unsigned int i)