Preface
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## Preface

This is the reference manual for OSF/Motif™ commands and functions. It contains toolkit, window manager, and user interface language commands and functions.

## Audience

This document is written for programmers who want to write applications using Motif™ interfaces to use as a reference.

## Typographic Conventions

This volume uses the following typographic conventions:

- Boldfaced strings represent literals; type them exactly as they appear.

- `Italicized` strings represent variables (for example, function or macro arguments).

- Ellipses (...) indicate that additional arguments are optional.

## Manual Page Format

The manual pages in this volume use the following format:

Purpose |  | This section gives a short description of the interface.
Synopsis |  | This section describes the appropriate syntax for using the interface.
Description |  | This section describes the behavior of the interface. On widget manual pages there are tables of resource values in the descriptions. Those tables have the following headers:
Name |  | Contains the name of the resource. Each new resource is described following the new resources table.
Class |  | Contains the class of the resource.
Type |  | Contains the type of the resource.
Default |  | Contains the default value of the resource.
Access |  | Contains the access permissions for the resource. A C in this column means the resource can be set at widget creation time. An S means the resource can be set anytime. A G means the resource's value can retrieved.
Examples |  | This sections gives practical examples for using the interface.
Return Value |  | This lists the values returned by function interfaces.
Errors |  | This section describes the error conditions associated with using this interface.
Related Information |  | This section provides cross-references to related interfaces and header files described within this document.

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