454 	int64_t cnt, n, nw;  in dd_out()  local
475 		for (cnt = n;; cnt -= nw) {  in dd_out()
480 				for (i = 0; i < cnt; i++)  in dd_out()
486 					pending += cnt;  in dd_out()
487 					outp += cnt;  in dd_out()
502 			nw = bwrite(out.fd, outp, cnt);  in dd_out()
534 			if (nw == cnt)  in dd_out()
589 	int bcnt, cnt, nr, warned;  in pos_in()  local
609 	for (bcnt = in.dbsz, cnt = in.offset, warned = 0; cnt;) {  in pos_in()
614 					--cnt;  in pos_in()
617 				--cnt;  in pos_in()
656 	int cnt, n;  in pos_out()  local
687 	for (cnt = 0; cnt < out.offset; ++cnt) {  in pos_out()
711 		while (cnt++ < out.offset)  in pos_out()
732 	uint64_t cnt;  in def()  local
737 		for (inp = in.dbp - (cnt = in.dbrcnt); cnt--; ++inp)  in def()
792 	uint64_t cnt, maxlen;  in block()  local
803 		for (inp = in.db, cnt = in.dbrcnt;  in block()
804 		    cnt && *inp++ != '\n'; --cnt);  in block()
805 		if (!cnt) {  in block()
812 		in.dbcnt = cnt - 1;  in block()
813 		in.dbp = inp + cnt - 1;  in block()
823 			for (cnt = 0;  in block()
824 			    cnt < maxlen && (ch = *inp++) != '\n'; ++cnt)  in block()
827 			for (cnt = 0;  in block()
828 			    cnt < maxlen && (ch = *inp++) != '\n'; ++cnt)  in block()
840 		in.dbcnt -= cnt;  in block()
845 		if (cnt < cbsz)  in block()
846 			(void)memset(outp, ctab ? ctab[' '] : ' ', cbsz - cnt);  in block()
903 	uint64_t cnt;  in unblock()  local
909 		for (cnt = in.dbrcnt, inp = in.dbp - 1; cnt--; inp--)  in unblock()
919 			cnt = t - inp + 1;  in unblock()
920 			(void)memmove(out.dbp, inp, cnt);  in unblock()
921 			out.dbp += cnt;  in unblock()
922 			out.dbcnt += cnt;  in unblock()
937 	uint64_t cnt;  in unblock_close()  local
944 			cnt = t - in.db + 1;  in unblock_close()
945 			(void)memmove(out.dbp, in.db, cnt);  in unblock_close()
946 			out.dbp += cnt;  in unblock_close()
947 			out.dbcnt += cnt;  in unblock_close()