6 bool equal(struct Expr obj1, struct Expr obj2);
8 bool nil_p(struct Expr obj);
9 bool symbol_p(struct Expr obj);
10 bool string_p(struct Expr obj);
11 bool number_p(struct Expr obj);
12 bool cons_p(struct Expr obj);
13 bool list_p(struct Expr obj);
14 bool list_of_symbols_p(struct Expr obj);
15 bool lambda_p(struct Expr obj);
17 bool is_lambda(struct Cons *cons);
18 bool is_special(const char *name);
20 long int length_of_list(struct Expr obj);
22 struct Expr assoc(struct Expr key, struct Expr alist);
25 format_list(Gc *gc, const char *format, ...);