def skip_block_header_comments(fid):
    """
    Skip past the initial three line header of the response record
    found in *fid*
    """
    line1 = next(fid).decode('utf-8')
    line2 = next(fid).decode('utf-8')
    line3 = next(fid).decode('utf-8')
    assert line1 == line3 == '#\n'
    assert line2 == '#' * 83 + '\n'
    return fid