var_name_len = parse_int (r, record->data, ofs);
ofs += 4;
/* Parse variable name, width, and number of labels. */
if (!check_overflow (r, record, ofs, var_name_len + 8))
var_name_len = parse_int (r, record->data, ofs);
ofs += 4;
/* Parse variable name, width, and number of labels. */
if (!check_overflow (r, record, ofs, var_name_len + 8))