add_wchnstr, add_wchstr, mvadd_wchnstr, mvadd_wchstr,
mvwadd_wchnstr, mvwadd_wchstr, wadd_wchnstr, wadd_wchstr - copy a string of
complex characters (with renditions) to a window
bkgrnd, bkgrndset, getbkgrnd, wbkgrnd, wbkgrndset, wgetbkgrnd -
set or get the background character (and rendition) of window using a
complex character