Introduction and guidance to follow the course

Introduction
A note on screen resolution.
Course dash-board, Q/A section, basic guidance to follow the course.
How to do the coding exercises, please watch.

How to download, install and use compilers and various IDEs for C programming.

A brief note on IDE and Compiler
Download install and use Xcode(on OSX) for writing C programs
Compile using Mac terminal and write program on sublime text.
Using Visual Studio Code on MacOS for C program.
How to download and install Codeblocks for Mac
Download Install and Use Code::Blocks for your C programs.
Compiling from Windows terminal using gcc
Using Visual Studio Code for Windows.
Download, install and use Microsoft Visual Studio 2019 Community edition.
Using Netbeans in Mac

Fundamentals that you always need to know

Understanding the first program.
Just print Hello World
Variables and data types in C programming.
Printing content of variable using printf
Reading data from keyboard into variable using scanf.
Have you understood printf and scanf?
Initialization of variable, octal and hexadecimal initialization.
Arithmetical Operators in C
Do some arithmetic work
Console I/O and Variable declarations
Dealing with characters
Characters - Do you know them?
Flushing problem while taking character input
Idea of casting
Assignment to test your idea about data type casting.
The secret of printf
The secret of scanf
The most neglected operator - Assignment operator
Relational operators for comparing values
Can you take this challenge?
Introduction to Logical Operator, AND operation
Logical OR operation
Logical NOT operation
Unary increment and decrement operator
Short circuit feature of AND and OR operation
How concrete is your foundations

Branching, taking course of action on the basis of result of condition

"To be or not to be" - how to decide using if-else
Going further, the if-else-if structure
"Mood of Pupeta the funny creature" - Test your skill on if-else
Another programming example on if-else-if, this will help you more.
Are you sure you can answer this? Take a look.
Ops! Not done yet, here is some more information on if-else
Print remark according to the age.
Make it smart using conditional operator, the only ternary operator in C
Nested if-else, checking leap year.
Understand switch-case
Decision making, how bold you are?
Practice if-else statement

Do it again and again until satisfied, technique for iteration.

Introduction to loop, while loop.
Quiz on While loop
While loop - Programming Example 1
While loop - Programming Example 2
Find sum of all numbers which are divisible by 3 but not divisible by 5 up to a positive integer n.
Take a challenge on while loop, here is interesting "predict output" on while.
Assignment: While loop - 1
All about smart looking for loop
Pattern Printing
First do then check, do-while loop
How to break a loop early: use of 'break' keyword
The other loop utility: 'continue' keyword
Generating random numbers, the rand() function
Quiz 3. Check how you can iterate.
Hi_Lo_Game
A dice game

Array: the collection

Introduction to one dimensional array
Initialisation of one dimensional array
Allocating array dynamically, Example input output operations with array
A programming example using 1-D array
One dimensional array - first assignment.
Second assignment on one dimensional array
Introduction to two dimensional array
2-D array programming example
Print transpose of a matrix.
Generate Magic Square
Are you comfortable with 1-D arrays?
Test your understanding with 2 Dimensional arrays.

Way to store and manipulate string in C programming

Introduction to string, using character array for storing string
How to input string from keyboard
Finding the length of string
Searching and counting target in string
Library function for string operations, string.h
Find longest word in a string
Check if a string is a Palindrome or not.
count frequency of digits in a string.
Quiz on string (NULL terminated character array)

Modularise your program using function.

Introduction to function
Prototype or signature of function, declaring a function.
Write a simple function.
Quiz on Function preliminaries
Create your own library, distribute functions to others.
Function example 1, a function to check prime number
More example on function
Another example, a function to test Armstrong Number
Write a function to to check a character.
Develop a function to find the area of a rectangle.
Find sum of all prime numbers upto n.
Quiz on function

Rock-Paper-Scissor game - a modularise approach

Rock-Paper-Scissor game - Part 1
Rock-Paper-Scissor game - Part 2

Recursion, how to write recursive functions.

Introduction to recursion.
Introduction continues...
Recursion vs Iteration, the big debate, Concept of TAIL recursion.
The debate continues... when exactly iteration is preferable.
Still in debate... when recursion is preferable.
Tower of Hanoi, the classical example of recursion.
Implementation of Tower of Hanoi
Another example, Fibonacci term.
Test your knowledge on recursion.

Storage class, important conception

Introduction to storage class, the auto storage class
Storage class: static
Storage class: extern
Storage class: register
Check your knowledge on Storage Class.

Pointers, tweak with memory locations.

Conception of stack and heap memory
Introduction to pointers
Introduction to pointers, continues...
Introduction to pointers, continues...
Address arithmetic
More on pointers
Quiz on Pointers - 1
How and when to use pointers in C program
update values from function at the original location.
More programming example
Relationship between one dimensional array and pointers
Passing one dimensional array to function
More example on passing one dimensional array to function
Passing one dimensional array as parameter.
Colony with 8 cells - simulation.
One more example - Passing a string (character arrays) to function
Writing functions to convert all cases of a string received by the function.
use of const keyword with pointer
Add some more glue
The generic pointer is void pointer
Dynamic memory allocation - malloc function
Dynamic memory allocation - calloc function
Dynamic memory allocation - realloc function
Immutable property of string literals
Array of pointers - part 1
Array of pointers-part 2(Simulation of dynamic 2D array using array of pointers)

User defined type in C - structure, union and enum

Introduction to User Defined Type, struct keyword
typedef keyword, creating alias to type
Using Structure 1
pointer to struct object
Using structure 2
Writing behaviour (functions) for struct types - part1
Writing behaviour (functions) for struct types - part2
Using struct type within another struct type
declaring enumerated constants, enum keyword
Only one at a time in group, use of enum keyword

Variadic Functions - how to pass variable arguments to a function

How to pass variable arguments to function.
Passing variable arguments of different types

Command line argument passing.

Command line arguments, parameters to main method
Command line arguments - more example
Passing cmd line args in Netbeans
How to pass command line arguments in Codeblocks
Get information about environment, the environmental parameter in main
Quiz on command line arguments

File Handling

Introduction to file handling, writing characters into a text file using fputc()
Reading content of a text file character by character using fgetc().
Reading a line from text file into a character array using fgets function
Reading formatted data from text file using fscanf fucntion
Writing formatted data into text file using fprintf function
Formatted data reading and writing - another example
Writing in binary mode - fwrite function
Reading in binary mode - fread function
Moving the file pointer at any desired location using fseek
Calculating the number of records in a binary file using ftell
A program to copy any file - Introduction
Let us Develop the file copy program step by step.

Bitwise operators - Learn how to manipulate bits.

Introduction to bitwise operators
Bitwise leftshift operator
Bitwise right shift operator
Bitwise AND operator - how to check a bit.
Count set bits - Using bitwise AND and left shift.
Print the signed integer as it is.
Bitwise OR operation - How to set an unset bit?
Bitwise XOR operation.
Bitwise complement - invert every bits.
Developing a function equivalent of bitwise complement operator.

Some useful C library functions - enhance your ability

sprintf and snprintf - Write formatted string into character array
Function sscanf - how to scan formatted data from a string
strtok - great tool to extract information from a string separated by delimiters
memset - learn how to initialize block of memory with a character using memset
memcpy - copy from one memory block to other byte-by-byte
clock function to count number of clock ticks and measure elapsed time.