+/** \brief opens record index handle
+ \param bfs Block files handle
+ \param rw 1 for read and write; 0 for read-only
+ \param use_isamb 1 if ISAMB is to used for record index; 0 for flat (old)
+*/
+recindex_t recindex_open(BFiles bfs, int rw, int use_isamb);
+
+/** \brief closes record index handle
+ \param p records handle
+*/