r = command (NULL, NULL, "mount", "--bind", "/dev", sysroot_dev, NULL);
dev_ok = r != -1;
r = command (NULL, NULL, "mount", "--bind", "/dev/pts", sysroot_dev_pts, NULL);
r = command (NULL, NULL, "mount", "--bind", "/dev", sysroot_dev, NULL);
dev_ok = r != -1;
r = command (NULL, NULL, "mount", "--bind", "/dev/pts", sysroot_dev_pts, NULL);