C Programming Cookbook by Harwani, B.M. -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

C Programming Cookbook

Dedication Packt Upsell

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Contributors

About the author About the reviewer Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Download the color images Conventions used

Sections

How to do it… How it works… There's more… See also

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Reviews

Section 1: Arrays, Strings, and Functions Working with Arrays

Inserting an element in an array

How to do it… How it works... There's more...

Multiplying two matrices

How to do it… How it works... There’s more…

Finding the common elements in two arrays

How to do it… How it works...

Finding the difference between two sets or arrays

How to do it… How it works...

Finding the unique elements in an array

How to do it… How it works...

Finding whether a matrix is sparse

How to do it… How it works... There's more...

Merging two sorted arrays into a single array

How to do it… How it works...

Managing Strings

Determining whether the string is a palindrome

How to do it… How it works...

Finding the occurrence of the first repetitive character in a string

How to do it… How it works...

Displaying the count of each character in a string

How to do it… How it works...

Counting vowels and consonants in a sentence

How to do it… How it works...

Converting the vowels in a sentence to uppercase

How to do it… How it works...

Exploring Functions

What is a stack? Finding whether a number is an Armstrong number

How to do it… How it works...

Returning maximum and minimum values in an array

How to do it… How it works...

Finding the greatest common divisor using recursion

How to do it… How it works...

Converting a binary number into a hexadecimal number

How to do it… How it works...

Finding whether a number is a palindrome

How to do it… How it works...

Section 2: Pointers and Files Deep Dive into Pointers

What is a pointer? Reversing a string using pointers

How to do it… How it works...

Finding the largest value in an array using pointers

How to do it… How it works...

Sorting a singly linked list

How to do it… How it works...

Creating a singly linked list Sorting the singly linked list

The first iteration The second iteration The third and fourth iterations

Finding the transpose of a matrix using pointers

How to do it… How it works...

Accessing a structure using a pointer

How to do it… How it works...

File Handling

Functions used in file handling

Functions commonly used in sequential file handling

fopen() fclose() fgets() fputs()

Functions commonly used in random files

fseek() ftell() rewind()

Reading a text file and converting all characters after the period into uppercase

How to do it… How it works...

Displaying the contents of a random file in reverse order

How to do it… How it works...

Counting the number of vowels in a file

How to do it… How it works...

Replacing a word in a file with another word

How to do it… How it works...

Encrypting a file

How to do it… How it works...

Section 3: Concurrency, Networking, and Databases Implementing Concurrency

What are processes and threads?

Mutual exclusion

Performing a task with a single thread

How to do it… How it works...

Performing multiple tasks with multiple threads

How to do it… How it works...

Using mutex to share data between two threads

How to do it… How it works...

Understanding how a deadlock is created

How to do it… How it works...

Avoiding a deadlock

How to do it… How it works...

Networking and Interprocess Communication

Communicating between processes using pipes

Creating and to connecting processes

pipe() mkfifo() write() read() perror() fork()

One process, both writing and reading from the pipe

How to do it… How it works...

One process writing into the pipe and another process reading from the pipe

How to do it… How it works...

Communicating between processes using FIFO

Writing data into a FIFO

How to do it… How it works...

Reading data from a FIFO

How to do it… How it works...

Communicating between the client and server using socket programming

Client-server model

struct sockaddr_in structure socket() memset() htons() bind() listen() accept() send() connect() recv()

Sending data to the client

How to do it… How it works...

Reading data that's been sent from the server

How to do it… How it works...

Communicating between processes using a UDP socket

Using a UDP socket for server-client communication

bzero() INADDR_ANY sendto() recvfrom()

Await a message from the client and sending a reply using a UDP socket

How to do it… How it works...

Sending a message to the server and receiving the reply from the server using the UDP socket

How to do it… How it works...

Running Cygserver

Passing a message from one process to another using the message queue

Functions used in IPC using shared memory and message queues

ftok() shmget() shmat() shmdt() shmctl() msgget() msgrcv() msgsnd()

Writing a message into the message queue

How to do it… How it works...

Reading a message from the message queue

How to do it… How it works...

Communicating between processes using shared memory

Writing a message into shared memory

How to do it… How it works...

Reading a message from shared memory

How to do it… How it works...

Using MySQL Database

Functions in MySQL

mysql_init() mysql_real_connect() mysql_query() mysql_use_result() mysql_fetch_row() mysql_num_fields() mysql_free_result() mysql_close()

Creating a MySQL database and tables

Create database Create table

Displaying all the built-in tables in a default mysql database

How to do it... How it works...

Storing information in MySQL database

How to do it… How it works...

Searching for the desired information in the database

How to do it… How it works...

Updating information in the database

How to do it… How it works...

Deleting data from the database using C

How to do it… How it works...

Appendix A

Creating a sequential file and entering some data into it

How to do it… How it works...

Reading content from a sequential file and displaying it onscreen

How to do it… How it works...

Creating a random file and entering some data into it

How to do it… How it works...

Reading content from a random file and displaying it onscreen

How to do it… How it works...

Decrypting the contents of an encrypted file

How to do it… How it works...

Appendix B

Installing Cygwin

Appendix C

Installing MySQL Server

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