--- title: "Translation DLL API Reference" description: "Translation DLL API Reference" author: David-Engel ms.author: v-davidengel ms.date: "01/19/2017" ms.service: sql ms.subservice: connectivity ms.topic: reference helpviewer_keywords: - "translation DLLs [ODBC]" --- # Translation DLL API Reference This section describes the syntax of the translation DLL API, which consists of two functions: **SQLDriverToDataSource** and **SQLDataSourceToDriver**. These functions must be included in the DLL that performs translation for the driver. This section contains the following topics. - [SQLDataSourceToDriver Function](../../../odbc/reference/syntax/sqldatasourcetodriver-function.md) - [SQLDriverToDataSource Function](../../../odbc/reference/syntax/sqldrivertodatasource-function.md)