/* Return TRUE of the idxset is empty */
pa_bool_t pa_idxset_isempty(pa_idxset *s);
+/* Duplicate the idxset. This will not copy the actual indexes */
+pa_idxset *pa_idxset_copy(pa_idxset *s);
+
/* A macro to ease iteration through all entries */
#define PA_IDXSET_FOREACH(e, s, idx) \
for ((e) = pa_idxset_first((s), &(idx)); (e); (e) = pa_idxset_next((s), &(idx)))