Library Version 18.1.40

Preface
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## Preface

Welcome to Berkeley DB 18 Release 18.1 (DB). This document describes the C API for DB library version 18.1.40. It is intended to describe the DB API, including all classes, methods, and functions. As such, this document is intended for C developers who are actively writing or maintaining applications that make use of DB databases.

## Conventions Used in this Book

The following typographical conventions are used within in this manual:

Structure names are represented in `monospaced font`, as are `method names`. For example: "`DB->open()` is a method on a `DB` handle."

Variable or non-literal text is presented in italics. For example: "Go to your DB_INSTALL directory."

Program examples are displayed in a `monospaced font` on a shaded background. For example:

    /* File: gettingstarted_common.h */
    typedef struct stock_dbs {
        DB *inventory_dbp; /* Database containing inventory information */
        DB *vendor_dbp;    /* Database containing vendor information */

        char *db_home_dir;       /* Directory containing the database files */
        char *inventory_db_name; /* Name of the inventory database */
        char *vendor_db_name;    /* Name of the vendor database */
    } STOCK_DBS;

### Note

Finally, notes of interest are represented using a note block such as this.

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