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

  Curses Screen Management function and macro that delete the line at
  the current position of the cursor.  The deleteln macro acts on the
  stdscr window.

  Syntax:

       #include <curses.h>

       int deleteln();
       int wdeleteln(WINDOW *win);