makedev
return makedev(major, minor);
ret = mknod(path, mode, makedev(dev_major, dev_minor));
ASSERT_EQ(0, mknod(char_dev_path, S_IFCHR | 0400, makedev(1, 3)));
ASSERT_EQ(0, mknod(block_dev_path, S_IFBLK | 0400, makedev(7, 0)));
dev = makedev(variant->major, variant->minor);
ASSERT_EQ(mknodat(fd_overlay, "dev-zero", S_IFCHR | 0644, makedev(1, 5)), -1);
makedev(1, 3));
makedev(7, 0));
mknod("/dev/console", 0600 | S_IFCHR, makedev(5, 1));
mknod("/dev/null", 0666 | S_IFCHR, makedev(1, 3));
mknod("/dev/zero", 0666 | S_IFCHR, makedev(1, 5));
mknod("/dev/full", 0666 | S_IFCHR, makedev(1, 7));