};
struct rnndeccontext *rnndec_newcontext(struct rnndb *db);
-int rnndec_varadd(struct rnndeccontext *ctx, char *varset, char *variant);
+int rnndec_varadd(struct rnndeccontext *ctx, char *varset, const char *variant);
int rnndec_varmatch(struct rnndeccontext *ctx, struct rnnvarinfo *vi);
-char *rnndec_decode_enum(struct rnndeccontext *ctx, const char *enumname, uint64_t enumval);
+const char *rnndec_decode_enum(struct rnndeccontext *ctx, const char *enumname, uint64_t enumval);
char *rnndec_decodeval(struct rnndeccontext *ctx, struct rnntypeinfo *ti, uint64_t value);
int rnndec_checkaddr(struct rnndeccontext *ctx, struct rnndomain *domain, uint64_t addr, int write);
struct rnndecaddrinfo *rnndec_decodeaddr(struct rnndeccontext *ctx, struct rnndomain *domain, uint64_t addr, int write);