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);