+/* DNs */
+Slapi_DN *slapi_sdn_new( void );
+Slapi_DN *slapi_sdn_new_dn_byval( const char *dn );
+Slapi_DN *slapi_sdn_new_ndn_byval( const char *ndn );
+Slapi_DN *slapi_sdn_new_dn_byref( const char *dn );
+Slapi_DN *slapi_sdn_new_ndn_byref( const char *ndn );
+Slapi_DN *slapi_sdn_new_dn_passin( const char *dn );
+Slapi_DN *slapi_sdn_set_dn_byval( Slapi_DN *sdn, const char *dn );
+Slapi_DN *slapi_sdn_set_dn_byref( Slapi_DN *sdn, const char *dn );
+Slapi_DN *slapi_sdn_set_dn_passin( Slapi_DN *sdn, const char *dn );
+Slapi_DN *slapi_sdn_set_ndn_byval( Slapi_DN *sdn, const char *ndn );
+Slapi_DN *slapi_sdn_set_ndn_byref( Slapi_DN *sdn, const char *ndn );
+void slapi_sdn_done( Slapi_DN *sdn );
+void slapi_sdn_free( Slapi_DN **sdn );
+const char * slapi_sdn_get_dn( const Slapi_DN *sdn );
+const char * slapi_sdn_get_ndn( const Slapi_DN *sdn );
+void slapi_sdn_get_parent( const Slapi_DN *sdn,Slapi_DN *sdn_parent );
+void slapi_sdn_get_backend_parent( const Slapi_DN *sdn, Slapi_DN *sdn_parent, const Slapi_Backend *backend );
+Slapi_DN * slapi_sdn_dup( const Slapi_DN *sdn );
+void slapi_sdn_copy( const Slapi_DN *from, Slapi_DN *to );
+int slapi_sdn_compare( const Slapi_DN *sdn1, const Slapi_DN *sdn2 );
+int slapi_sdn_isempty( const Slapi_DN *sdn );
+int slapi_sdn_issuffix(const Slapi_DN *sdn, const Slapi_DN *suffixsdn );
+int slapi_sdn_isparent( const Slapi_DN *parent, const Slapi_DN *child );
+int slapi_sdn_isgrandparent( const Slapi_DN *parent, const Slapi_DN *child );
+int slapi_sdn_get_ndn_len( const Slapi_DN *sdn );
+int slapi_sdn_scope_test( const Slapi_DN *dn, const Slapi_DN *base, int scope );
+void slapi_sdn_get_rdn( const Slapi_DN *sdn,Slapi_RDN *rdn );
+Slapi_DN *slapi_sdn_set_rdn( Slapi_DN *sdn, const Slapi_RDN *rdn );
+Slapi_DN *slapi_sdn_set_parent( Slapi_DN *sdn, const Slapi_DN *parentdn );
+int slapi_sdn_is_rdn_component( const Slapi_DN *rdn, const Slapi_Attr *a, const Slapi_Value *v );
+char * slapi_moddn_get_newdn( Slapi_DN *dn_olddn, char *newrdn, char *newsuperiordn );
+
+/* RDNs */
+Slapi_RDN *slapi_rdn_new( void );
+Slapi_RDN *slapi_rdn_new_dn( const char *dn );
+Slapi_RDN *slapi_rdn_new_sdn( const Slapi_DN *sdn );
+Slapi_RDN *slapi_rdn_new_rdn( const Slapi_RDN *fromrdn );
+void slapi_rdn_init( Slapi_RDN *rdn );
+void slapi_rdn_init_dn( Slapi_RDN *rdn, const char *dn );
+void slapi_rdn_init_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn );
+void slapi_rdn_init_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn );
+void slapi_rdn_set_dn( Slapi_RDN *rdn, const char *dn );
+void slapi_rdn_set_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn );
+void slapi_rdn_set_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn );
+void slapi_rdn_free( Slapi_RDN **rdn );
+void slapi_rdn_done( Slapi_RDN *rdn );
+int slapi_rdn_get_first( Slapi_RDN *rdn, char **type, char **value );
+int slapi_rdn_get_next( Slapi_RDN *rdn, int index, char **type, char **value );
+int slapi_rdn_get_index( Slapi_RDN *rdn, const char *type, const char *value, size_t length );
+int slapi_rdn_get_index_attr( Slapi_RDN *rdn, const char *type, char **value );
+int slapi_rdn_contains( Slapi_RDN *rdn, const char *type, const char *value,size_t length );
+int slapi_rdn_contains_attr( Slapi_RDN *rdn, const char *type, char **value );
+int slapi_rdn_add( Slapi_RDN *rdn, const char *type, const char *value );
+int slapi_rdn_remove_index( Slapi_RDN *rdn, int atindex );
+int slapi_rdn_remove( Slapi_RDN *rdn, const char *type, const char *value, size_t length );
+int slapi_rdn_remove_attr( Slapi_RDN *rdn, const char *type );
+int slapi_rdn_isempty( const Slapi_RDN *rdn );
+int slapi_rdn_get_num_components( Slapi_RDN *rdn );
+int slapi_rdn_compare( Slapi_RDN *rdn1, Slapi_RDN *rdn2 );
+const char *slapi_rdn_get_rdn( const Slapi_RDN *rdn );
+const char *slapi_rdn_get_nrdn( const Slapi_RDN *rdn );
+Slapi_DN *slapi_sdn_add_rdn( Slapi_DN *sdn, const Slapi_RDN *rdn );
+
+/* locks and synchronization */
+typedef struct slapi_mutex Slapi_Mutex;
+typedef struct slapi_condvar Slapi_CondVar;
+Slapi_Mutex *slapi_new_mutex( void );
+void slapi_destroy_mutex( Slapi_Mutex *mutex );
+void slapi_lock_mutex( Slapi_Mutex *mutex );
+int slapi_unlock_mutex( Slapi_Mutex *mutex );
+Slapi_CondVar *slapi_new_condvar( Slapi_Mutex *mutex );
+void slapi_destroy_condvar( Slapi_CondVar *cvar );
+int slapi_wait_condvar( Slapi_CondVar *cvar, struct timeval *timeout );
+int slapi_notify_condvar( Slapi_CondVar *cvar, int notify_all );
+
+/* thread-safe LDAP connections */
+LDAP *slapi_ldap_init( char *ldaphost, int ldapport, int secure, int shared );
+void slapi_ldap_unbind( LDAP *ld );
+