10 Mar C Tutorial | Learn C Programming
C is a high-level language developed by Dennis M. Ritchie. It was implemented in 1972, but Brian Kernighan and Dennis Ritchie developed and produced the first publicly available description of C in 1978.
C Programming Video Tutorial (English)
Refer to our free video tutorial in the English language to run C in 5 hours:
C Programming Video Tutorial (Hindi)
Refer to our free video tutorial in the Hindi language to run C in 5 hours:
C Features
The following are the features of the C language:
- Structured Language: C language is a structured language since it can be easily split into multiple blocks of execution, which are known as functions. This makes the code easier to understand
- Execution Speed: The efficient and fast execution of C programs still makes it the number one choice of programmers. The compilation and execution of a C program are quite fast.
- Built-in functions: C language built-in functions help in writing complex programs with ease.
- Code Reusability: Code reusability eliminates the need to write the same code again and again and leads to fewer lines of code and faster execution. Recursion occurs when a function calls itself, hence reducing the need to write code again and again.
- Extend: C language extends itself and takes up new features.
C Applications
The following are the real-life applications of C language:
- Many Python libraries for Data Science and Machine Learning are written in C++, such as NumPy, Pandas, etc.
- The Operating Systems, Windows and Mac are written in C and C++.
- Linux, developed by Linus Torvalds is written in C.
- Visual Studio Code, developed by Microsoft is written in not only C#, but C as well.
C Quiz
C Online Quiz to help you in preparing for Exams, Job Interviews, quizzes, etc. Test your C Programming skills with the following Quiz:
C Programming Examples
Practice these C live-running examples topic-wise:
Platforms to run C
Use any of the below platforms to run Java programs with ease:
Run C Online
#include <stdio.h>
int main()
{
printf("Hello, World!");
}
Viewers
The C tutorial is prepared for students, engineers, and professionals. Beginning with the introduction, you will learn how to work with C Programming, C Data Types, C Variables, C Strings, C Pointers, etc. With that, step-by-step lessons are provided covering File Handling in C, Memory Management, etc. All the lessons covering examples and practical implementation are explained thoroughly.
FAQs
Q1: What is C programming and why is it considered a foundational language?
Ans: C is a powerful, general-purpose, procedural programming language developed by Dennis Ritchie at Bell Labs in 1972. It is considered foundational because many modern languages (such as C++, Java, Python, and C#) borrow their syntax and core programming structures from C. Additionally, C offers low-level memory access, making it the primary language for writing operating systems, embedded systems, compilers, and hardware drivers.
Q2: What is the difference between a Compiler and an Interpreter in C?
Ans: C is a purely compiled language. A C compiler (like GCC or Clang) translates the entire high-level source code (.c file) into machine-level executable binary code before execution. In contrast, an interpreter translates and executes code line-by-line at runtime. Compilation makes C programs execute much faster than interpreted languages.
Q3: What are Pointers in C and why are they important?
Ans: A pointer in C is a variable that stores the memory address of another variable rather than a direct value. Pointers are critical in C because they enable dynamic memory allocation (malloc, calloc), direct hardware address manipulation, passing large structures to functions efficiently by reference, and building complex data structures like linked lists and trees.
Q4: What is the difference between malloc() and calloc() for dynamic memory allocation?
Ans: Both functions dynamically allocate memory on the heap during runtime, but they differ in initialization and parameters:
- malloc() (Memory Allocation): Allocates a single block of memory of a specified byte size and leaves the memory uninitialized (contains garbage values).
- calloc() (Contiguous Allocation): Allocates multiple blocks of memory for an array of elements and automatically initializes all allocated bytes to zero.
Q5: What core concepts and topics are covered in Studyopedia’s C programming tutorial?
Ans: Studyopedia’s C programming tutorial covers setup and compiler configuration, basic program structure, variables and data types, operators, decision-making (if-else, switch), loops (for, while), functions, array handling, string operations, pointers, structure & union types, file handling, and dynamic memory management.
C Tutorial – Index
C Introduction & Setup
 C Basics
C Control Statements
C Arrays & Strings
 C Functions
C User-Defined Types
C Advanced
C – Built-in Functions
C – Resources
Let’s begin with C Introduction.
C Programming – MCQ
Polish your C skills with these MCQs, each offering four options and the correct answer:
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Posted at 19:42h, 20 Novembergood