C Functions Overview

The functionality of the D3 environment is available from the C programming language. This is made available through a set of functions and macros defined in the include file CPuser.h.

This general overview includes information on these topics:

Library Format

Describes the general structure of functions with the C functions library.

General Usage

Describes how to call C programming language C functions.

String Handling

Describes string handling concepts of the C programming language.

Environment Setting

Describes setting the environment to either D3 or UNIX.

Break Key Handling

Describes how to change default action of the BREAK key.

Handling General D3 Interrupts

Describes how to detect D3 interrupts.

Custom Signal Processing

Describes how to reprogram signals within a C application.

C Functions, Integration

 Describes how to integrate a user C program with the D3 run-time library.