attr = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_nchars);
if (!attr) {
ERROR_WITH_ERRNO("Failed to open data stream of \"%s\"",
attr = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_nchars);
if (!attr) {
ERROR_WITH_ERRNO("Failed to open data stream of \"%s\"",