usr/src/lib/libcurses/touchwin.c

# include       "curses.ext"

/*
 * make it look like the whole window has been changed.
 */
touchwin(win)
reg WINDOW      *win;
{
        reg int         y, maxy, maxx;

        maxy = win->_maxy;
        maxx = win->_maxx - 1;
        for (y = 0; y < maxy; y++) {
                win->_firstch[y] = 0;
                win->_lastch[y] = maxx;
        }
}