FIRST
db->max_ent = FIRST-1;
free_ent = ((block_compress) ? FIRST : 256);
free_ent = ((block_compress) ? FIRST : 256);
free_ent = FIRST - 1;
free_ent = ((block_compress) ? FIRST : 256);
free_ent = FIRST - 1;
first = block_compress ? FIRST : 256;
ent = (ent >= FIRST ? tab_prefixof(ent) :
free_ent = FIRST;
db->max_ent = FIRST-1;