bzero              80 kernel/fs.c            bzero(dev, b + bi);
bzero             120 mkfs/mkfs.c      bzero(&de, sizeof(de));
bzero             125 mkfs/mkfs.c      bzero(&de, sizeof(de));
bzero             154 mkfs/mkfs.c        bzero(&de, sizeof(de));
bzero             228 mkfs/mkfs.c      bzero(&din, sizeof(din));
bzero             244 mkfs/mkfs.c      bzero(buf, BSIZE);