On HP aCC, this protected copy constructor prevents throwing boost::exception. On all other platforms, the same effect is achieved by the pure virtual

Given a string 'par', that contains no newline characters outputs it to 'os' with wordwrapping, that is, as several line.

Converts a std::fpos_t to a stream_offset

Free the history, but does not reset it. Only used when we have to * exit() to avoid memory leaks are reported by valgrind & co. */

Try to get the number of columns in the current terminal, or assume 80 * if it fails. */

* @return pointer to the end of valid [N/D] units. */

* @return pointer to the start of valid [N/D] units. */

Obtains maximum length of a path, not including the terminating zero

* @return pointer to the end of valid units. */

* @return pointer to the start of valid units. */

\b Override: This function \b may be redefined in Derived class. Overrides \b must not throw. \return Hash code of a type. By default hashes types by

return the position of the highest bit set in the value

Helper functions