Learn How to Program in C

by
Dr. Kristin Switala

Introduction

Directives

Variables

Conditionals

Loops

Arrays

Pointers

Strings

Functions

Structures


Site Map

Review: Pointers (b)

Instructions: Think about each question and write the answer in your notebook.

General Questions

1. How do we identify the byte that stores a specific variable?

2. What format specifier do we use for addresses?

3. Addresses are in which type of number: decimal, hex, or binary?

White Box Testing

1. Fix the errors in this C source code. There are 2 errors.

#include<stdio.h>
void main(
{
int age;
printf("\nHow old are you? ");
scanf(" %d", &age);
printf("\nYou are %d years old and this variable's address is %c", age, &age);
}

2. Fix the errors in this C source code. There are 2 errors.

#include<stdio.h>
void main( )
{
int i;
printf("\nVariable\tAddress");
for(i = 123456789; i < 123456799; ++i)

printf("\n%d\t%p", i, &i);

}

3. Fix the errors in this C source code. There are 2 errors.

#include<stdio.h>
void main( )
{
int chem = 2E-8;
printf("The value of the chemical, %d, is stored in address %p.", chem, &chem);
}

Copyright
© 2001
Kristin Switala
Hosted by www.Geocities.ws

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