+int emufs_b_plus_eliminar(INDICE *idx, CLAVE key, int num_node);\r
+int b_plus_existe_clave(INDICE *idx, INDEX_DAT *query, int num_node);\r
+NODO_B_PLUS *b_plus_leer_nodo(INDICE *idx, int num);\r
+int b_plus_buscar_prepost(INDICE *idx, CLAVE key, int num_node, CLAVE *prepostkey, int search_type);\r