line_buf_tail->len = ds_length (&getl_buf);
line_buf_tail->line = xmalloc (ds_length (&getl_buf) + 1);
memcpy (line_buf_tail->line,
line_buf_tail->len = ds_length (&getl_buf);
line_buf_tail->line = xmalloc (ds_length (&getl_buf) + 1);
memcpy (line_buf_tail->line,