ST_EOD_1
STps->eof = ST_EOD_1; /* allow next write */
if (STps->eof == ST_EOD_1)
STps->eof = ST_EOD_1;
STps->eof >= ST_EOD_1) {
} else if (STps->eof == ST_EOD_1) {
if (STps->eof >= ST_EOD_1)