(void) strcpy(buf, "virt");
for (n = 0; n < screen_lines; n++)
(void) sprintf(buf + strlen(buf), " %02d", OLDNUM(n));
TR(TRACE_UPDATE | TRACE_MOVE, (buf));
(void) strcpy(buf, "virt");
for (n = 0; n < screen_lines; n++)
(void) sprintf(buf + strlen(buf), " %02d", OLDNUM(n));
TR(TRACE_UPDATE | TRACE_MOVE, (buf));