Sams Teach Yourself C in 21 Days

2 Sams Teach Yourself C in 21 Days

Example 1

#include <stdio.h>

int main( void )

{

printf( “This is an example of something printed!”);

}

Example 1 Output

This is an example of something printed!

Example 2

printf( “This prints a character, %c\na number, %d\na floating point,

%f”, ‘z’, 123, 456.789 );

Example 2 Output

This prints a character, z

a number, 123

a floating point, 456.789

Another feature of this book is DO/DON’T boxes, which give you pointers on what to do

and what not to do.

,

,

DOread the rest of this section. It

explains the Workshop sections that

appear at the end of each day.

DON’Tskip any of the quiz questions or

exercises. If you can finish the day’s

workshop, you’re ready to move on to

new material.

DO DON’T

You’ll encounter Tip, Note, and Caution boxes as well. Tips provide useful shortcuts and

techniques for working with C. Notes provide special details that enhance the explana-

tions of C concepts. Cautions help you avoid potential problems.

Numerous sample programs illustrate C’s features and concepts so that you can apply

them in your own programs. Each program’s discussion is divided into three compo-

nents: the program itself, the input required and the output generated by it, and a line-by-

line analysis of how the program works. These components are indicated by special

icons.

Each day ends with a Q&A section containing answers to common questions relating to

that day’s material. There is also a Workshop at the end of each day. It contains quiz

questions and exercises. The quiz tests your knowledge of the concepts presented on that

01 448201x-Intro 8/13/02 11:21 AM Page 2