The pos_menu_cursor() function positions the cursor in the menu window. This function can be called after other
curses calls to restore the cursor to its correct position in the menu.
The functions return one of the following error values:
E_OK The function was successful.
E_SYSTEM_ERROR There was a system error during the call.
E_BAD_ARGUMENT One or more of the arguments passed to the function was incorrect.
E_POSTED The menu is already posted.
E_CONNECTED An item was already connected to a menu.
E_BAD_STATE The function was called from within an initialization or termination routine.
E_NO_ROOM The menu does not fit within the subwindow.
E_NOT_POSTED The menu is not posted.
E_UNKNOWN_COMMAND The menu driver does not recognize the request passed to it.
E_NO_MATCH The character search failed to find a match.
E_NOT_SELECTABLE The item could not be selected.
E_NOT_CONNECTED The item is not connected to a menu.
E_REQUEST_DENIED The menu driver could not process the request.