bool parse_DATA_LIST_vars (struct lexer *, char ***names, size_t *cnt, int opts);
bool parse_DATA_LIST_vars_pool (struct lexer *, struct pool *,
char ***names, size_t *cnt, int opts);
bool parse_DATA_LIST_vars (struct lexer *, char ***names, size_t *cnt, int opts);
bool parse_DATA_LIST_vars_pool (struct lexer *, struct pool *,
char ***names, size_t *cnt, int opts);