218 	ssize_t n;  in dd_read()  local
223 		n = full_read(ifd, ibuf, ibs);  in dd_read()
226 		n = safe_read(ifd, ibuf, ibs);  in dd_read()
228 	if (n < 0 && (G.flags & FLAG_IDIRECT) && clear_O_DIRECT(ifd))  in dd_read()
231 	return n;  in dd_read()
237 	ssize_t n;  in write_and_stats()  local
240 	n = full_write(ofd, buf, len);  in write_and_stats()
242 	if (n < 0 && (G.flags & FLAG_ODIRECT) && clear_O_DIRECT(ofd))  in write_and_stats()
247 	if (n > 0)  in write_and_stats()
248 		G.total_bytes += n;  in write_and_stats()
250 	if ((size_t)n == obs) {  in write_and_stats()
254 	if ((size_t)n == len) {  in write_and_stats()
280 		int n;  in parse_comma_flags()  local
289 		n = index_in_strings(words, val);  in parse_comma_flags()
290 		if (n < 0)  in parse_comma_flags()
292 		flags |= (1 << n);  in parse_comma_flags()
475 			int n;  in dd_main()  local
476 			n = index_in_strings(status_words, val);  in dd_main()
477 			if (n < 0)  in dd_main()
479 			G.flags |= FLAG_STATUS_NONE << n;  in dd_main()
544 				ssize_t n = dd_read(ibuf, blocksz);  in dd_main()  local
545 				if (n < 0)  in dd_main()
547 				if (n == 0)  in dd_main()
559 		ssize_t n = ibs;  in dd_main()  local
565 				n = count;  in dd_main()
568 		n = dd_read(ibuf, n);  in dd_main()
569 		if (n == 0)  in dd_main()
571 		if (n < 0) {  in dd_main()
580 			n = 0;  in dd_main()
590 			prev_read_size = n;  in dd_main()
597 			n2 = (n >> 1);  in dd_main()
603 		count -= (G.flags & FLAG_COUNT_BYTES) ? n : 1;  in dd_main()
604 		if ((size_t)n == ibs)  in dd_main()
609 				memset(ibuf + n, 0, ibs - n);  in dd_main()
610 				n = ibs;  in dd_main()
616 			while (n) {  in dd_main()
618 				if (d > (size_t)n)  in dd_main()
619 					d = n;  in dd_main()
621 				n -= d;  in dd_main()
633 			if (write_and_stats(ibuf, n, obs, outfile))  in dd_main()