fmtNum(v7.modTime(), modTime.Unix())

	ustar := tw.blk.toUSTAR()
	fmtStr(ustar.userName(), hdr.Uname)
	fmtStr(ustar.groupName(), hdr.Gname)
	fmtNum(ustar.devMajor(), hdr.Devmajor)
	fmtNum(ustar.devMinor(), hdr.Devminor)

	return &tw.blk
}

// writeRawFile writes a minimal file with the given name and flag type.
// It uses format to encode the header format and will write data as the body.

      SE_PLATFORM_REGISTRATION_PARAMS_STRUCT_SIZE};
  SP_Platform platform{SP_PLATFORM_STRUCT_SIZE};
  SP_PlatformFns platform_fns{SP_PLATFORM_FNS_STRUCT_SIZE};
  params.major_version = SE_MAJOR;
  params.minor_version = SE_MINOR;
  params.patch_version = SE_PATCH;
  params.platform = &platform;
  params.platform_fns = &platform_fns;

  OwnedTFStatus c_status(TF_NewStatus());
  init_fn(&params, c_status.get());