+/**
+ * Returns the next element of a pset.
+ * This is a wrapper for pset_next(pmap *map); It allows to express the
+ * intended type of the set elements (instead of weakly typed void*).
+ *
+ * @param type destination type of the pointers in the set
+ * @param pset the pset to iterate
+ *
+ * @return a pointer to the next element or NULL if the
+ * iteration is finished
+ */
+#define pset_next(type, pset) ((type*)pset_next((pset)))
+