| constant | meaning | 
|---|---|
| NEWT_EXIT_HOTKEY | hotkey defined by newt_form_add_hot_key() was pressed | 
| NEWT_EXIT_COMPONENT | some component has caused form to exit | 
| NEWT_EXIT_FDREADY | file descriptor specified in newt_form_watch_fd() is ready to be read or written to | 
| NEWT_EXIT_TIMER | time specified in newt_form_set_timer() has elapsed |