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Index
Title Page Copyright and Credits
Practical C Programming
Dedication About Packt
Why subscribe?
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
Get in touch
Reviews
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...
Preprocessing and Compilation
Performing conditional compilation with directives
How to do it... How it works...
Applying assertions for validation
How to do it... How it works...
Using assertions to ensure a pointer is not pointing to NULL
How to do it… How it works...
Catching errors early with compile-time assertions
How to do it... How it works...
Applying stringize and token-pasting operators
How to do it... How it works...
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... See also
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 Inter-Process 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...
Sorting and Searching
Searching for an item using binary search 
How to do it... How it works...
Arranging numbers in ascending order using bubble sort
How to do it… How it works...
Arranging numbers in ascending order using insertion sort
How to do it... How it works...
Arranging numbers in ascending order using quick sort
How to do it...
Quick sort FindingPivot
How it works...
Arranging numbers in descending order using heap sort
How to do it...
Creating a max-heap Deleting the max-heap
How it works... See also
Working with Graphs
Types of graphs
Directed graphs Undirected graphs
Creating an adjacency matrix representation of a directed graph
How to do it... How it works...
Creating an adjacency matrix representation of an undirected graph
How to do it... How it works...
Creating an adjacency list representation of a directed graph
How to do it... How it works...
Carrying out the breadth-first traversal of a graph
How to do it... How it works...
Carrying out the depth-first traversal of a graph
How to do it... How it works...
Creating minimum spanning trees using Prim's algorithm
How to do it... How it works...
Displaying the adjacency linked list Creating the minimum spanning tree
Creating minimum spanning trees using Kruskal's algorithm
How to do it... How it works...
Advanced Data Structures and Algorithms
Stack Doubly linked lists (two-way linked lists) Circular linked lists Binary tree
Binary search trees Traversing trees
Implementing a stack using a singly linked list
How to do it... How it works...
Implementing a doubly or two-way linked list
How to do it... How it works...
Implementing a circular linked list
How to do it... How it works...
Creating a binary search tree and performing an inorder traversal on it recursively
How to do it... – binary tree How to do it... – inorder traversal of the tree How it works... – binary tree How it works... – inorder traversal of the tree
Performing postorder traversal of a binary tree non-recursively
Getting started How to do it... How it works... See also
Creativity with Graphics
List of OpenGL functions Drawing four graphical shapes
How to do it... How it works...
Drawing a circle
How to do it... How it works...
Drawing a line between two mouse clicks
How to do it... How it works...
Making a bar graph of the supplied values
How to do it... How it works...
Making an animated bouncing ball
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...
General-Purpose Utilities
Dynamic memory allocation
malloc() calloc() realloc() free()
Registering a function that is called when a program exits
How to do it… How it works... There's more...
Measuring the clock ticks and CPU seconds required in the execution of a function
How to do it... How it works...
Performing dynamic memory allocation
How to do it... How it works...
Handling signals
Signals
signal()
How to do it... How it works...
Improving the Performance of Your Code
Using the register keyword in C code for better efficiency
How to do it... How it works...
Taking input faster in C
How to do it… How it works...
Applying loop unrolling for faster results
How to do it… How it works...
Low-Level Programming
Introduction to bitwise operators
& (binary AND) | (binary OR) ^ (binary XOR) ~ (binary complement) << (binary shift left) >> (binary shift right)
Converting a binary number into a decimal using a bitwise operator
How to do it… How it works...
Converting a decimal into binary using a bitwise operator
How to do it… How it works...
Converting a decimal number into binary using bit masking 
How to do it… How it works...
Introduction to assembly coding Multiplying two numbers using the inline assembly language in C
How to do it… How it works...
Dividing two numbers using assembly code in C
How to do it… How it works...
Embedded Software and IoT
Technical requirements Introduction to embedded systems Introduction to IoT
Introduction to Arduino
Toggling the port of a microcontroller in Embedded C (blinking LED)
How to do it… How it works...
Incrementing the value of a port in Embedded C
How to do it… How it works...
Toggle voltage in output pin using Arduino (blinking LED)
How to do it… How it works...
Taking input from the serial port using Arduino
How to do it… How it works...
Sensing the temperature using Arduino with the LM35 sensor
Getting ready... How to do it... How it works...
Applying Security in Coding
Buffer overflow
gets() fgets() fpurge(stdin) sprintf() snprintf() strcpy() strncpy( )
Understanding how a buffer overflow occurs
How to do it... How it works...
Learning how to avoid a buffer overflow 
How to do it... How it works...
Understanding how a vulnerability occurs while copying strings
How to do it... How it works...
Learning how to write secure code while copying strings
How to do it... How it works...
Understanding the errors that occur while formatting strings
How to do it... How it works...
Learning how to avoid errors while formatting strings
How to do it... How it works...
Understanding how vulnerabilities occur while accessing files in C
How to do it... How it works...
Learning how to avoid vulnerabilities while writing a file in C
How to do it... How it works...
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