Introduction

Describes the Blocks feature for the C programming language.

Organization of This Document

This document contains the following chapters:

Getting Started with Blocks provides a quick, practical, introduction to blocks.

Conceptual Overview provides a conceptual introduction to blocks.

Declaring and Creating Blocks shows you how to declare block variables and how to implement blocks.

Blocks and Variables describes the interaction between blocks and variables, and defines the __block storage type modifier.

Using Blocks illustrates various usage patterns.