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C Tutorial

C programming Language tutorial

Learn C Programming Language Tutorial for beginners and professionals that will help you in getting a deep understanding of the C language. With our C tutorial you can learn each and every topic of C in detail, each topic is explained with the programs. The development of 'C' was for creating system applications that directly interact with the hardware devices like drivers, kernels, etc. C is known as the mother language due to the fact that it is the base for the other programming languages.

c tutorial

'C' can be defined by these following ways:

  • It is the Mother language
  • It is the System programming language
  • C is Procedure-oriented programming language
  • C is Structured programming language
  • It is Mid-level programming language

C as a mother language

'C' is often called as the mother language of all the modern programming languages as most of the compilers, JVMs, Kernels, etc. are written with 'C'. And also because of the fact that most of the programming languages follow C syntax, for example, C++, Java, C#, etc. 'C' provides the core concepts like the array, strings, functions, file handling, etc. that are used frequently in many languages like C++, Java, C#, etc.

C as a system programming language

A system programming language is known to be used to create system software. 'C' is known as a system programming language due to the fact that it can be used to do low-level programming (for example driver and kernel). 'C' is generally used to create hardware devices, OS, drivers, kernels, etc. Just for an understanding, Linux kernel is written in C. It can't be used for internet programming like Java, .Net, PHP, etc.

C as a procedural language

A procedure is basically a function, method, routine, subroutine, etc. A procedural language specifies a series of steps for the program in order to solve the problem. A procedural language generally breaks the program into functions, data structures, etc.

'C' is known to be a procedural language. Variables and function prototypes must be declared before being used in 'C'.

With our C programming tutorial you will learn more about 'C' in general and the procedural aspect of it.

C as a structured programming language

Let's understand a structured programming language first. A structured programming language is basically a subset of the procedural language. Structure means to break a program into fragments or blocks in order to make it easy to understand.

In 'C', the programs are broken into parts using functions and that makes the program super easier to understand and modify.
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C as a mid-level programming language

'C' is treated as a middle-level language as it supports both the feature of low-level and high-level languages. 'C' Program can be converted into assembly code as it supports pointer arithmetic (low-level but as a fact it is machine independent (a feature of high-level).

A Low-level language is generally specific to only one machine also known as machine dependent. Machine dependent language are known as fast to run but difficult to understand.

A High-Level language is not known to be specific to one machine also called as machine independent and it is very easy to understand.

Here is an example of a C program

#include <stdio.h>  
int main() 
printf("Hello C Programming\n");  
return 0;  


Our tutorials have been designed for software programmers who strive to understand the C programming language from the initial point. This C tutorial will give you an understanding of C programming language and the more you will practice the more you will gain expertise in the field.


Please note that before proceeding with this tutorial it is recommended that you should have a basic understanding of Computer Programming terminologies along with a basic understanding of any programming languages that will assist you in understanding the C programming concepts and move fast on the learning track.

Want to learn more about 'C'? Read all of our tutorials for detailed chapters!!

C Tutorial Index

Sr.No. Topics
1 History of the C Language
2 Features of the C Language
3 How to Install C
4 First C program
5 C Program Flow
6 Printf and scanf in C
7 Variables in C
8 Data Types in C
9 C Keywords
10 Operators in C
11 Comments in C
12 Escape Sequence in C
13 Constants in C
14 C If-else statements
15 C Switch Statement
16 C Loop
17 C While loop
18 C do-while loop
19 C for loop
20 Type Casting in C
21 C Functions
22 C call By Value and Reference
23 C Recursive Function
24 C Arrays
25 C 2-Dimensional Array
26 Arrays to function in C
27 Pointers in C
28 Double Pointers in C
29 Arithmetic Pointer in C
30 Dynamic memory allocation in C
31 C Strings
32 C Math Function
33 C Structure
34 C Nested Structure
35 C Union
36 C File Handling
37 C Preprocessor
38 C Error Handling
39 C Command Line Arguments
40 Storage classes in C
41 Macros In C

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