278 	ulong_t sector;  in bpcfs_read()  local
318 		sector = fat_ctodb(blk, rd);  in bpcfs_read()
325 			block = (char *)readblock(sector + i, 1);  in bpcfs_read()
514 	int j, sector;  in lookup()  local
519 		sector = fat_ctodb(dir_blk, rd);  in lookup()
520 		dxp = readblock(sector, 1);	/* read one sector */  in lookup()
597 readblock(int sector, int nsec)  in readblock()  argument
599 	if (sector >= nsec_start && sector + nsec <= nsec_start + nsec_cache)  in readblock()
600 		return (cluster_cache + (sector - nsec_start) * SECSIZ);  in readblock()
603 	head->fi_blocknum = sector;  in readblock()
607 		printf("failed to %d sectors at %d\n", nsec, sector);  in readblock()