sm_rechdp
record_q = &record_table[hash].sm_rechdp;
record_q = &record_table[hash].sm_rechdp;
if ((next = record_table[k].sm_rechdp) ==
record_table[k].sm_rechdp = NULL;
record_table[k].sm_rechdp = NULL;
nl = record_table[hash].sm_rechdp;