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

  Curses Screen management function and macro that add the string
  pointed to by str to the window at the current position of the
  cursor.  The addstr macro operates on the stdscr window.

  Syntax:

       #include <curses.h>

       int addstr(char *str);
       int waddstr(WINDOW *win, char *str);