parse_template_param
static const char *parse_template_param(const char *, const char *, cpp_db_t *);
return (parse_template_param(first, last, db));
t = parse_template_param(first, last, db);
t = parse_template_param(first + 2, last, db);
t = parse_template_param(first, last, db);
t1 = parse_template_param(t, last, db);