static int next_comment_line(struct libmnt_parser *pa, char **last)
{
	if (getline(&pa->buf, &pa->bufsiz, pa->f) < 0)
		return feof(pa->f) ? 1 : -errno;

	pa->line++;
	*last = strchr(pa->buf, '\n');

	return is_comment_line(pa->buf) ? 0 : 1;
}
static int next_comment_line(struct libmnt_parser *pa, char **last)
{
	if (getline(&pa->buf, &pa->bufsiz, pa->f) < 0)
		return feof(pa->f) ? 1 : -errno;

	pa->line++;
	*last = strchr(pa->buf, '\n');

	return is_comment_line(pa->buf) ? 0 : 1;
}