wbkgdset
wbkgdset(stdscr, c);
wbkgdset(w, Pad(c) | Back(c));
wbkgdset(w, Pad(f) | Back(f));
wbkgdset(w, Pad(f) | Back(f));
wbkgdset(w, Pad(c) | Back(c));
extern int wbkgdset(WINDOW *, chtype);
(wbkgdset)(WINDOW *w, chtype bg)
extern void wbkgdset(WINDOW *, chtype);
#define bkgdset(ch) wbkgdset(stdscr, ch)
wbkgdset(stdscr, bg);