wclrtobot
return (wclrtobot(stdscr));
return (wclrtobot(win));
(void) wclrtobot(curscr);
(void) wclrtobot(W(f));
extern int wclrtobot(WINDOW *);
#define clrtobot() wclrtobot(stdscr)
#define werase(w) (wmove(w,0,0)?ERR:wclrtobot(w))
extern int wclrtobot(WINDOW *);
#define clrtobot() wclrtobot(stdscr)
(wmove(__w1 = (w), 0, 0) ? ERR : wclrtobot(__w1))
#define clrtobot() VOID(wclrtobot(stdscr))
extern int wclrtobot(WINDOW *);