-static char **set_join (char **lset, int op, char **rset);
-static char **set_chase (SET_GATHER gatherer,
- void *cookie, char **set, char *attr, int attrlen, int closure);
+static BerVarray set_join (BerVarray lset, int op, BerVarray rset);
+static BerVarray set_chase (SLAP_SET_GATHER gatherer,
+ void *cookie, BerVarray set, struct berval *attr, int closure);