Welcome to the C Knowledge Base and Tutorial
Part 1 – Basic knowledge
- Introduction to C Programming
- Start Learning C Programming
- What is C?
- Why We should learn C
- Examples
- Start Learning C Programming
- C Character Set : Constants, Variables and Keywords
- Constant and Variable in C:
- C Keywords:
- Examples
- Types of C Constant
- Rules for Constructing Integer Constants
- Rules for Constructing Real Constants
- Rules for Constructing Character Constants
- Examples
- Types of C Variables
- What is variable
- Rules for Constructing Variable Names
- Examples
- The First C Program
- Compilation and Execution of C Program
- Download the turbo c – A free C program editor
- Working with Turbo C
- A word of caution!
- Scanf() : Receiving input in C program
- Point to be Noted
- C Instructions
- Type Declaration Instruction
- Arithmetic Instruction
- Point to be Noted
- Integer and Float Conversions in C
- Few practical examples:
- Type Conversion in Assignments
- Hierarchy of Operations in C
- Associativity of Operators
- Control Instructions in C
- Summary of basic C
- Quiz of Basic C – – Test your skill
- Examples
Part 2 – Decision Control in C
- The if Statement
- If in real life
- Multiple statement within if
- The if else Statement
- Nested if
- forms of if
- Use of logical Operators
- The else if clause
- The ! operator
- Hierarchy of Operators
- The conditional operators
- Summary of Decision Control
- Quiz of Decision control – Test your skill
- Examples
Part 3 – Loop structure
- Loops
- The while Loop
- The for Loop
- The Odd Loop
- The break Statement
- The continue Statement
- The do-while Loop
- Summary of loop structure
- Quiz of loop structure – Test your Skill
- Examples
Part 4 – The Case Control Structure
- Decisions Using switch
- switch and if-else
- The Goto Keyword
- Summary of the case control structure
- Quiz of case control structure
- Examples
Part 5 – Functions & Pointers
Introduction of function
Why use function
Passing Values between Functions
Scope Rule of Functions
Calling Convention
Advanced Features of Functions
Function Declaration and Prototypes
Call by Value and Call by Reference
Pointers
Recursion
Recursion and Stack
Adding Functions to the Library
Summary of Function and Pointer
Quiz of function and pointer
Part 6 – Arrays
What are Arrays
Array Initialization
Passing Array Elements to a Function
Pointers and Arrays
Passing an Entire Array to a Function
Two Dimensional Arrays
Pointers and 2-Dimensional Arrays
Pointer to an Array
Passing 2-D array to a Function
Array of Pointers
Limitation of Array of Pointers to Strings
Summary of Array
Quiz of Array
Part 7 – Structures
Introduction of Structure
Array of Structures
Uses of Structures
Summary of Structure
Quiz of Structure
part 8 – Console Input/Output
Types of I/O
Formatted Console I/O Functions
sprintf( ) and sscanf( ) Functions
Unformatted Console I/O Functions
Summary of console input output
Quiz of console input output
part 9 – File Input/Output
- Data Organization
- File Operations
- Opening a File
- Reading from a File
- Trouble in Opening a File
- Closing the File
- Counting Characters, Tabs, Spaces
- A File-copy Program
- Writing to a File
- File Opening Modes
- String (line) I/O in Files
- Record I/O in Files
- Text Files and Binary Files
- Database Management
- Low Level Disk I/O
- A Low Level File-copy Program
- I/O Under Windows
- Summary of File Input/Output
- Quiz of File Input/Output
C Program to Print String using Pointer
#include <stdio.h> int main() { char str[100]; char *p; printf("Enter any string: "); fgets(str, 100, stdin); /* Assigning the baseRead More »
C Program to Check Whether a Number is Prime or Not
Program to Check Prime Number #include <stdio.h> int main() { int n, i, flag = 0; printf("Enter a positive integer:Read More »
C program to convert Celsius to Fahrenheit using while loop
To convert Celsius to Fahrenheit #include <stdio.h> #include <stdlib.h> int main() { float celsius, fahrenheit; printf(“\nEnter temperature in celsius: “);Read More »
C Program to Make a Simple Calculator Using switch case
Simple Calculator using switch Statement #include <stdio.h> int main() { char operator; double first, second; printf("Enter an operator (+, -,Read More »
C Program to Find ASCII Value of a Character
Program to Print ASCII Value #include <stdio.h> int main() { char c; printf("Enter a character: "); scanf("%c", &c); // %dRead More »
C Program to Find the Size of int, float, double and char
Program to Find the Size of Variables #include<stdio.h> int main() { int intType; float floatType; double doubleType; char charType; //Read More »
C Program to Add Two Integers
Program to Add Two Integers #include <stdio.h> int main() { int number1, number2, sum; printf("Enter two integers: "); scanf("%d %d",Read More »
C Program to Multiply Two Floating-Point Numbers
Program to Multiply Two Numbers #include <stdio.h> int main() { double a, b, product; printf("Enter two numbers: "); scanf("%lf %lf",Read More »
C Programming Code To Create Pyramid
Program to print half pyramid using * #include<stdio.h> int main() { int i, j, rows; printf("Enter number of rows:Read More »
C Program to Display Characters from A to Z
Program to Print English Alphabets #include <stdio.h> int main() { char c; for (c = 'A'; c <= 'Z'; ++c)Read More »
C Program to Generate Multiplication Table
Multiplication Table Up to 10 #include <stdio.h> int main() { int n, i; printf("Enter an integer: "); scanf("%d", &n); forRead More »
C Program to Find the Largest Number Among Three Numbers
Using if Statement #include <stdio.h> int main() { double n1, n2, n3; printf("Enter three different numbers: "); scanf("%lf %lf %lf",Read More »
C Program to Reverse a Number
Reverse an Integer #include <stdio.h> int main() { int n, rev = 0, remainder; printf("Enter an integer: "); scanf("%d", &n);Read More »
C Program to Display Fibonacci Sequence
The Fibonacci sequence is a sequence where the next term is the sum of the previous two terms. The firstRead More »
C Program to Find Factorial of a Number
The factorial of a positive number n is given by: factorial of n (n!) = 1 * 2 * 3Read More »