1include start_color 2call OK init_pair 3 $COLOR_RED $COLOR_BLUE 3include window_create 4call OK mvwaddch $win1 5 2 `\000R` 5call OK mvwchgat $win1 5 1 10 $UNDERSCORE 3 NULL 6call OK wrefresh $win1 7compare mvwchgat1.chk 8call OK mvwaddch $win1 2 4 `\000T` 9call OK mvwchgat $win1 2 4 2 $REVERSE 3 NULL 10call OK wrefresh $win1 11compare mvwchgat2.chk 12