256 	datum item;  in dbm_fetch()  local
262 		item = makdatum(db->dbm_pagbuf, i+1);  in dbm_fetch()
263 		if (item.dptr != NULL)  in dbm_fetch()
264 			return (item);  in dbm_fetch()
267 	item.dptr = NULL;  in dbm_fetch()
268 	item.dsize = 0;  in dbm_fetch()
269 	return (item);  in dbm_fetch()
308 	datum item, item1;  in dbm_store()  local
353 		item = makdatum(db->dbm_pagbuf, i);  in dbm_store()
354 		if (item.dptr == NULL)  in dbm_store()
356 		item_hash = dcalchash(item);  in dbm_store()
369 			if (!additem(ovfbuf, item, item1) ||  in dbm_store()
428 	datum item, bitem;  in dbm_firsthash()  local
435 		item = makdatum(db->dbm_pagbuf, i);  in dbm_firsthash()
436 		if (item.dptr == NULL)  in dbm_firsthash()
438 		if (cmpdatum(bitem, item) < 0) {  in dbm_firsthash()
440 			bitem = item;  in dbm_firsthash()
450 		return (item); /* null item */  in dbm_firsthash()
498 	datum item;  in dbm_slow_nextkey()  local
523 			item = makdatum(db->dbm_pagbuf, db->dbm_keyptr);  in dbm_slow_nextkey()
524 			if (item.dptr != NULL) {  in dbm_slow_nextkey()
526 				return (item);  in dbm_slow_nextkey()
535 	item.dptr = NULL;  in dbm_slow_nextkey()
536 	item.dsize = 0;  in dbm_slow_nextkey()
537 	return (item);  in dbm_slow_nextkey()
545 	datum item, bitem;  in dbm_do_nextkey()  local
557 		item.dptr = NULL;  in dbm_do_nextkey()
558 		item.dsize = 0;  in dbm_do_nextkey()
559 		return (item);  in dbm_do_nextkey()
624 			item.dptr = NULL;  in dbm_do_nextkey()
625 			item.dsize = 0;  in dbm_do_nextkey()
628 			if (i > 0) item.dsize = sp[i] - sp[i + 1];  in dbm_do_nextkey()
629 			else item.dsize = PBLKSIZ - sp[i + 1];  in dbm_do_nextkey()
630 			item.dptr = db->dbm_pagbuf+sp[i + 1];  in dbm_do_nextkey()
636 		if (item.dptr == NULL)  in dbm_do_nextkey()
642 		if (n != item.dsize) {  in dbm_do_nextkey()
643 			if ((n - item.dsize) <= 0)  in dbm_do_nextkey()
648 			p2 = item.dptr;  in dbm_do_nextkey()
667 			bitem = item;  in dbm_do_nextkey()
675 			if (n != item.dsize) {  in dbm_do_nextkey()
676 				if ((n - item.dsize) < 0) {  in dbm_do_nextkey()
677 					bitem = item;  in dbm_do_nextkey()
683 					p2 = item.dptr;  in dbm_do_nextkey()
687 							bitem = item;  in dbm_do_nextkey()
711 		return (item); /* null */  in dbm_do_nextkey()
849 	datum item;  in makdatum()  local
853 		item.dptr = NULL;  in makdatum()
854 		item.dsize = 0;  in makdatum()
855 		return (item);  in makdatum()
860 	item.dptr = buf + sp[n + 1];  in makdatum()
861 	item.dsize = t - sp[n + 1];  in makdatum()
862 	return (item);  in makdatum()
890 finddatum(char *buf, datum item)  in finddatum()  argument
899 		if (n != item.dsize)  in finddatum()
901 		if (n == 0 || memcmp(&buf[sp[i+1]], item.dptr, n) == 0)  in finddatum()
941 dcalchash(datum item)  in dcalchash()  argument
951 	for (cp = item.dptr, s = item.dsize; --s >= 0; ) {  in dcalchash()
997 additem(char *buf, datum item, datum item1)  in additem()  argument
1007 	i1 -= item.dsize + item1.dsize;  in additem()
1012 	(void) memmove(&buf[i1 + item1.dsize], item.dptr, item.dsize);  in additem()