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Introduction to C Programming Language 1 About C tutorial 2 Important points about C 3 Why Use C 4 Applications of C 5 C Language and English Language 6 Features of C 7 C, C++ and Java 8 Setting up the C Development Environment (Compiler & IDE) 9 Compilation Process in C (Preprocessing, Compiling, Assembling, Linking) 10 C Standards and Versions (K&R, C89/C90, C99, C11, C17, C23) 11 Practical C23 Features and Compiler Compatibility

Fundamentals and Basic Building Blocks of C Programming Language 1 First Program in C Hello World 2 Basic Structure of C Programming 3 Tokens in C Programming Language 4 Keywords in C Programming Language 5 Identifiers in C Programming Language 6 Format Specifiers in C Programming Language 7 Format Specifiers Examples in C Programming Language 8 History of C Programming Language 9 Comments in C (Single-line and Multi-line) 10 Character Set, Escape Sequences and Special Characters 11 Input and Output Functions (printf, scanf, getchar, putchar, fgets, puts) 12 Statements, Expressions and Operator Precedence Basics 13 Safe Numeric Input with fgets, strtol and Validation

Data Types in C Language 1 int Data Type in C Programming Language 2 float Data Type in C Programming Language 3 double Data Type in C Programming Language 4 char Data Type in C Programming Language 5 void Data Type in C Programming Language 6 Bool and Boolean Handling in C (stdbool.h) 7 Type Modifiers (short, long, signed, unsigned) 8 Type Qualifiers (const, volatile, restrict) 9 Type Conversion and Type Casting (Implicit and Explicit) 10 Size and Range of Data Types (limits.h and float.h) 11 Fixed-width Integers and Portable Formatting (stdint.h, inttypes.h) 12 Floating-point Precision, Rounding, NaN and Infinity

Variable in C Language 1 Variable Introduction in C 2 Variable Declaration and Initialization in C Programming Language 3 Variable types and Scope in C Programming Language 4 Local Variable in C Programming Language 5 static Variable in C Programming Language 6 Global variables in C Programming Language 7 Storage Class in C Programming Language

Constant in C Language 1 Constants in C Programming Language 2 Types of Constants (Integer, Real, Character, String, Symbolic) 3 const Keyword vs #define Macro Constants

Operators and Enums in C Language 1 Introduction to Operator in C Programming Language 2 Arithmetic Operators in C Programming Language 3 Relational Operators in C Programming Language 4 Bit-wise Operators in C Programming Language 5 Logical Operators in C Programming Language 6 Assignment Operators in C Programming Language 7 Conditional Operator in C Programming Language 8 sizeof() Operator in C Programming Language 9 Operator Precedance in C Programming Language 10 ASCII Value 11 Increment and Decrement Operators (Prefix and Postfix) 12 Comma Operator and Expression Evaluation 13 Enumeration (enum) in C Programming Language 14 Associativity of Operators in C 15 Integer Promotions, Overflow, Evaluation Order and Undefined Behaviour

Decision Making of C Language 1 Decision Making in C Introduction 2 if Statement in C Programming Language 3 if-else Statement in C Programming Language 4 Nested if Statement in C Programming Language 5 if else if Ladder in C Programming Language 6 switch case in C Programming Language

Loop control in C Language 1 Loop Introduction in C Language 2 While Loop in C Language 3 Do While Loop in C Language 4 For Loop in C Language 5 Nested Loops in C Programming Language 6 Infinite Loops and Loop Control Best Practices

Control Flow in C Programming Language 1 break Statement in C 2 continue Statement in C 3 goto Statement in C

Array in C Language 1 Single Dimensional Array 2 Multi-Dimensional Array in C 3 Limitations of Arrays 4 Array Declaration, Initialization and Traversal 5 Passing Arrays to Functions in C 6 Searching and Sorting on Arrays (Linear, Binary, Bubble, Selection) 7 Variable Length Arrays, Array Bounds and Flexible Storage Choices

String in C Language 1 Introduction to String 2 String Declaration, Initialization and Storage 3 Reading and Writing Strings (fgets, puts, scanf with Width Limits) 4 Array of Strings and Two-Dimensional Character Arrays 5 Safe String Handling, Buffer Sizes and Truncation

Function in C Language 1 Function in C 2 Function Calling in C 3 return type in Function 4 Call by Value in C 5 User Define Function 6 Predefined Functions 7 Function Prototype and Declaration in C 8 main() Function, Return Values and Exit Status 9 Scope, Lifetime and Linkage of Identifiers 10 inline Functions and Variadic Functions (stdarg.h)

String functions in C 1 All String Functions 2 strcat() function 3 strncat() function 4 strcpy() function 5 strncpy() function 6 strlen() function 7 strcmp() function 8 strcmpi() function 9 strchr() function 10 strrchr() function 11 strstr() function 12 strrstr() function 13 strdup() function 14 strlwr() function 15 strupr() function 16 strrev() function 17 strset() function 18 strnset() function 19 strtok() function 20 Standard vs Non-standard String Functions and Portability

Recursion in c 1 Introduction to Recursion 2 Direct and Indirect Recursion 3 Tail Recursion and Recursion vs Iteration 4 Stack Memory, Base Condition and Stack Overflow in Recursion 5 Classic Recursion Problems (Factorial, Fibonacci, Tower of Hanoi, GCD)

Pointer in C Language 1 Pointer in C 2 types of pointer 3 NULL pointer 4 Dangling Pointer 5 Void/Generic Pointers 6 Wild Pointer 7 Near, Far and Huge Pointer 8 Pointer Expressions and Arithmetic 9 Pointer and Array 10 Strings as pointers 11 Pointer to Function 12 Call by Reference in C 13 Pointer to Pointer (Double Pointer) in C 14 Array of Pointers and Pointer to Array 15 const with Pointers (Pointer to const vs const Pointer)

Structure in C Language 1 Structure in C 2 Nested Structure in C 3 Array of Structures in C 4 Pointer to Structure 5 Structure to Function in C 6 typedef in C 7 typedef vs #define in C 8 Structure Padding, Alignment and sizeof a Structure 9 Bit-fields in Structures 10 Self-Referential Structures and Introduction to Linked Lists 11 Flexible Array Members, Compound Literals and Designated Initializers

Union in C Language 1 Union in C 2 Structure vs Union (Memory and Use Cases)

File Input/Output 1 Introduction to File 2 File Operation in c 3 File Opening Modes and fopen/fclose 4 Reading and Writing Files (fgetc, fputc, fgets, fputs, fprintf, fscanf) 5 Binary File I/O (fread, fwrite) and Random Access (fseek, ftell, rewind) 6 EOF, feof() and File Error Handling (ferror, perror, errno)

Dynamic Memory Allocation 1 Introduction to DMA 2 calloc() and free() 3 realloc() and free() function 4 malloc() Function in C Programming Language 5 Memory Layout of a C Program (Stack, Heap, Data, Code Segment) 6 Memory Leaks, Dangling Pointers and Safe Deallocation 7 Overflow-safe Allocation, Ownership and Cleanup Patterns

C Pre-processor 1 Introduction about Pre-processor 2 Macro Substitution (#define) and Function-like Macros 3 File Inclusion (#include) and Header Files 4 Conditional Compilation (#ifdef, #ifndef, #if, #else, #endif) 5 Predefined Macros and #pragma, #undef, #error Directives

Command Line Arguments 1 Introduction CLAs 2 argc and argv Explained with Examples

C Programming Language MCQ 1 Overview Of C Language 2 Fundamentals of C Language 3 Data Types in C Language 4 Variable in C Language 5 Constant in C Language 6 Operators and Enums in C Language 7 String in C Language 8 Decision Making of C Language 9 C Language Loop Control 10 Function in C Language 11 Structure in C Language 12 Union in C Language 13 File Input/Output in C Language 14 Array in C Language 15 Pointer in C Language 16 C Language Pre-Processor 17 Dynamic Memory Allocation in C Language

Interview Questions C Language 1 C Language Interview Questions

Error Handling and Debugging in C 1 errno, perror() and strerror() Functions 2 Common Compile-time and Runtime Errors in C 3 Debugging Techniques and Using a Debugger (GDB) 4 Defensive Programming and Undefined Behaviour in C 5 Compiler Warnings, Static Analysis and Sanitizers 6 Unit Testing, Test Cases, Mocks and Regression Testing in C 7 Secure C Coding: Bounds, Integer Overflow and Format-string Safety

C Standard Library Essentials 1 stdio.h and stdlib.h Function Reference 2 math.h Mathematical Functions in C 3 ctype.h Character Handling Functions 4 time.h Date and Time Functions in C 5 assert.h and Diagnostic Macros

Advanced C Programming Concepts 1 Function Pointers and Callback Functions 2 Multi-file Projects, extern and Modular Compilation 3 Makefiles and Build Automation Basics 4 Bit Manipulation Techniques and Tricks 5 Introduction to Multithreading and Signal Handling in C 6 C11 Concurrency: threads.h, Mutexes, Condition Variables and Atomics 7 Portability: Endianness, Data Models, Alignment and Standard C vs POSIX 8 Cross-platform Builds, Compiler Flags, CMake and Continuous Integration

Practice Projects and Coding Exercises 1 Beginner Projects (Calculator, Number Guessing Game, Pattern Printing) 2 Intermediate Projects (Student Record System, Bank Management using Files) 3 Advanced Projects (Library Management, Text Editor, Mini Database) 4 Chapter-wise Practice Exercises with Solutions 5 Capstone Delivery: Requirements, Documentation, Tests and Code Review

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C Language Interview Questions

Rumman Ansari September 17, 2026 29 views Subject Details

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