/sys$common/syshlp/helplib.hlb CC, Run-time functions, [w]refresh  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Curses Screen Management function and macro that repaint the
  specified window on the terminal screen.  The refresh macro acts on
  the stdscr window.

  Syntax:

       #include <curses.h>

       int refresh();
       int wrefresh(WINDOW *win);