SUBR_PUTC
SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
SUBR_PUTC(sc, 'E', j, i, ATTR_NOR);
SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR);
SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV);
SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR);
SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute);
SUBR_PUTC(ip, ' ',
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);