fsfd               34 mkfs/mkfs.c    int fsfd;
fsfd               91 mkfs/mkfs.c      fsfd = open(argv[1], O_RDWR | O_CREAT | O_TRUNC, 0666);
fsfd               92 mkfs/mkfs.c      if (fsfd < 0)
fsfd              184 mkfs/mkfs.c      if (lseek(fsfd, sec * BSIZE, 0) != sec * BSIZE)
fsfd              186 mkfs/mkfs.c      if (write(fsfd, buf, BSIZE) != BSIZE)
fsfd              220 mkfs/mkfs.c      if (lseek(fsfd, sec * BSIZE, 0) != sec * BSIZE)
fsfd              222 mkfs/mkfs.c      if (read(fsfd, buf, BSIZE) != BSIZE)