fsfd 29 mkfs/mkfs.c int fsfd; fsfd 88 mkfs/mkfs.c fsfd = open(argv[1], O_RDWR|O_CREAT|O_TRUNC, 0666); fsfd 89 mkfs/mkfs.c if(fsfd < 0) fsfd 180 mkfs/mkfs.c if(lseek(fsfd, sec * BSIZE, 0) != sec * BSIZE) fsfd 182 mkfs/mkfs.c if(write(fsfd, buf, BSIZE) != BSIZE) fsfd 216 mkfs/mkfs.c if(lseek(fsfd, sec * BSIZE, 0) != sec * BSIZE) fsfd 218 mkfs/mkfs.c if(read(fsfd, buf, BSIZE) != BSIZE)