private static uint doPrefixCompare(
IntPtr dbp, IntPtr dbtp1, IntPtr dbtp2)
{
DB db = new DB(dbp, false);
DBT dbt1 = new DBT(dbtp1, false);
DBT dbt2 = new DBT(dbtp2, false);
BTreeDatabase btdb = (BTreeDatabase)(db.api_internal);
return(btdb.PrefixCompare(
DatabaseEntry.fromDBT(dbt1), DatabaseEntry.fromDBT(dbt2)));
}