134 __do_message::message(int ev) const  in message()  function in __do_message
148     virtual string message(int ev) const;
158 __generic_error_category::message(int ev) const  in message()  function in __generic_error_category
164     return __do_message::message(ev);  in message()
179     virtual string message(int ev) const;
190 __system_error_category::message(int ev) const  in message()  function in __system_error_category
196     return __do_message::message(ev);  in message()
219 error_condition::message() const  in message()  function in error_condition
221     return __cat_->message(__val_);  in message()
227 error_code::message() const  in message()  function in error_code
229     return __cat_->message(__val_);  in message()
241         what_arg += ec.message();  in __init()