+static inline _Bool cdecl_is_abstract(const struct cdecl_declarator *d)
+{
+ while (d->child)
+ d = d->child;
+
+ return d->type != CDECL_DECL_IDENT;
+}
+
+/* Error handling. */
+enum {
+ CDECL_ENOMEM = 1,
+ CDECL_ENOPARSE,
+
+ /* Obsolete error codes (no longer returned by the library) */
+ CDECL_EBADARRAY,
+ CDECL_EBADDECL,
+ CDECL_EBADPARAMS,
+ CDECL_EBADPOINTER,
+ CDECL_EBADQUAL,
+ CDECL_EBADRETURN,
+ CDECL_EBADSTOR,
+ CDECL_EBADTYPE,
+ CDECL_ENOTFUNC,
+ CDECL_EVOIDPARAM
+};
+
+struct cdecl_error {
+ unsigned code;
+ const char *str;
+};
+
+const struct cdecl_error *cdecl_get_error(void);
+