RMD1_STP
if (status != (RMD1_ENP|RMD1_STP)) { /* There was an error. */
head->flag &= (RMD1_ENP|RMD1_STP);
if (status != (RMD1_ENP|RMD1_STP)) { /* There was an error. */
head->flag &= (RMD1_ENP|RMD1_STP);