separate DB dependent from DB index.

packages/myddas/myddas_util.h

@@ -0,0 +1,41 @@
+
+#include "myddas_structs.h"
+
+void myddas_util_error_message(char *message ,Int line,char *file);
+
+/* Search for the predicate in the given predicate list*/
+MYDDAS_UTIL_CONNECTION myddas_util_search_connection(void *conn);
+
+MYDDAS_UTIL_CONNECTION
+myddas_init_initialize_connection(void *conn,void *enviromment,
+				  MYDDAS_API api,
+				  MYDDAS_UTIL_CONNECTION next);
+
+MYDDAS_UTIL_CONNECTION 
+myddas_util_add_connection(void *conn, void *enviromment, MYDDAS_API api);
+
+MYDDAS_UTIL_PREDICATE
+myddas_init_initialize_predicate(const char *pred_name, int pred_arity,
+				 const char *pred_module, MYDDAS_UTIL_PREDICATE next);
+  
+MYDDAS_UTIL_PREDICATE
+myddas_util_find_predicate(const char *pred_name, Int pred_arity,
+			   const char *pred_module, MYDDAS_UTIL_PREDICATE list);
+
+UInt
+myddas_util_get_total_multi_queries_number(MYDDAS_UTIL_CONNECTION con);
+
+void
+myddas_util_set_total_multi_queries_number(MYDDAS_UTIL_CONNECTION con, UInt number);
+
+void *myddas_util_get_pred_next(void *pointer);
+
+MyddasInt myddas_util_get_pred_arity(void *pointer);
+
+const char *myddas_util_get_pred_name(void *pointer);
+
+const char *myddas_util_get_pred_module(void *pointer);
+
+void *myddas_util_get_list_pred(MYDDAS_UTIL_CONNECTION node);
+
+void myddas_util_delete_predicate_list(MYDDAS_UTIL_PREDICATE preds_list);