XLENGTH
if (i >= XLENGTH + 2)
xbase = (i - XLENGTH) / 2;
hline(ACS_HLINE, XLENGTH);
mvaddch(ybase - 1, xbase + XLENGTH, ACS_URCORNER);
hline(ACS_HLINE, XLENGTH);
mvaddch(ybase + YDEPTH, xbase + XLENGTH, ACS_LRCORNER);
move(ybase, xbase + XLENGTH);
if (tz_len > 0 && tz_len <= XLENGTH -