Introduction

Cogent API and Utilities: Version 4.1
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# Chapter 1. Introduction

The Cogent API is an easy-to-use set of functions that fall into five main categories:

- Point structure, storage, and manipulation.

- Inter-process communication (synchronous and asynchronous).

- Global name server registration and lookup.

- Cascade DataHub reading, writing and exception reporting.

- Device driver control.

The Cogent Utilities are used by several Cogent products, primarily to facilitate inter-process communication.

# 1.1. Function Naming Conventions

The naming convention in these libraries consists of a two-letter package identifier followed by an underscore and a function name in which each word is capitalized. There are no separators between words within the function name.

- `DH` stands for the Cascade DataHub.

- `DR` stands for the Cascade CIF Driver.

- `HI` stands for the Cascade Historian.

- `IP` stands for Inter-Process communication.

- `PT` stands for Cascade DataHub points, and also for their data types.

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