-char *ct_type_str (int);
-char *ct_subtype_str (int, int);
-int ct_str_type (const char *);
-int ct_str_subtype (int, const char *);
-const struct str2init *get_ct_init (int);
-const char *ce_str (int);
-const struct str2init *get_ce_method (const char *);
+char *ct_type_str (int) CONST;
+char *ct_subtype_str (int, int) CONST;
+int ct_str_type (const char *) PURE;
+int ct_str_subtype (int, const char *) PURE;
+const struct str2init *get_ct_init (int) PURE;
+const char *ce_str (int) CONST;
+const struct str2init *get_ce_method (const char *) PURE;