Page 2 - C-Language

Table of Contents

About 1

Chapter 1: Getting started with C Language 2

Remarks 2

Common Compilers 2

Compiler C version Support 2

Code style (off-topic here): 3

Libraries and APIs not covered by the C Standard (and therefore being off-topic here): 3

Versions 4
Examples 4

Hello World 4
hello.c 4

Let's look at this simple program line by line 4

Editing the program 5

Compiling and running the program 5

Compile using GCC 6

Using the clang compiler 6

Using the Microsoft C compiler from the command line 6

Executing the program 6

Original "Hello, World!" in K&R C 6

Chapter 2: — character classification & conversion 9

Examples 9

Classifying characters read from a stream 9

Classifying characters from a string 9
Introduction 10

Chapter 3: Aliasing and effective type 13

Remarks 13

Examples 14

Character types cannot be accessed through non-character types. 14

Effective type 15
Violating the strict aliasing rules 15