EO_TAIL
err = ea_open(&ef, file, "SunOS", EO_TAIL, O_RDONLY, 0);
err = fmd_log_open_exacct(lp, EO_VALID_HDR | EO_TAIL,
EO_TAIL | EO_VALID_HDR, O_RDONLY, 0)) >= 0)
EO_TAIL | EO_VALID_HDR, O_RDONLY, 0) < 0) {
flags = EO_NO_VALID_HDR | EO_TAIL;
if ((aflags & EO_POSN_MSK) == EO_TAIL) {