- mvwaddch(win, 0, 0, ACS_ULCORNER);
- mvwaddch(win, y1 - 1, 0, ACS_LLCORNER);
- mvwaddch(win, 0, x1 - 1, ACS_URCORNER);
- mvwaddch(win, y1 - 1, x1 - 1, ACS_LRCORNER);
+ MvWAddCh(win, 0, 0, ACS_ULCORNER);
+ MvWAddCh(win, y1 - 1, 0, ACS_LLCORNER);
+ MvWAddCh(win, 0, x1 - 1, ACS_URCORNER);
+ MvWAddCh(win, y1 - 1, x1 - 1, ACS_LRCORNER);