hashsize <<= 1;
res = nmem_malloc(nmem, sizeof(struct termlist));
res->hashtable = nmem_malloc(nmem, hashsize * sizeof(struct termlist_bucket*));
hashsize <<= 1;
res = nmem_malloc(nmem, sizeof(struct termlist));
res->hashtable = nmem_malloc(nmem, hashsize * sizeof(struct termlist_bucket*));