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C Tutorial

• C - Home

C Basics

• C - Getting Started
• C - Overview
• C - Advantages & Disadvantages
• C - Basics
• C - Character Set
• C Vs. C++
• Gcc Vs. G++
• Why We should Use C?
• C - Basic Rules
• C - Comments
• C - Tokens
• C - Variable Naming Conventions
• C - Variable Initialization
• C - Constants
• C - Character Constant
• C - Octal Literals
• C - Hexadecimal Literals
• C - Automatic (auto) Variables
• Local Vs. Global Variables
• C - Access Global Variables
• Is exit() & return Statements are Same?
• C - Print Float Value
• C - Print Multiple Lines Using printf()
• C - Argument Index Specification
• C - Value Returned by scanf()
• C - Returned Values of printf() & scanf()
• What do 'lvalue' & 'rvalue' Mean
• Automatic (auto) Vs. Static Variables
• C - Scopes
• C - Errors

C Data Types

• C - Data Types & Operators
• C - Basic Data Types
• C - 'unsigned char' For Memory Optimization
• short Vs. short int Vs. int
• unsigned int Vs. size_t
• C - Storage Classes Introduction
• C - Storage Classes With Examples
• C- Type Conversion
• C - bool
• C - Type Qualifiers

C Input/Output

• C - Read String With Spaces
• C - Input String of Unknown Length
• C - Disadvantages of scanf()
• C - scanf() need '%lf' for doubles, when printf() is okay with just '%f'
• C - Format Specifier for unsigned short int
• C - printf() Format Specifier for bool
• C - printf() Arguments for long
• C - printf() Specifier for double
• Is there a printf() converter to print in binary format?
• C - Nested printf()
• printf() Vs. puts()
• printf() Vs. sprintf()
• %d Vs. %i format Specifiers
• C - Single Character Input & Output
• C- Formatted Input & Output
• C - Octal & Hex Escape Sequences
• C - Convert Float to String
• gets() Vs. fgets()
• C - Input Unsigned Integer Value
• C - Input Octal Value
• C - Input Hex Value
• C - Input Decimal, Octal & Hex in char Variables
• C - Input With '%i'
• C - Input Individual Characters
• C - Skip characters While Reading Integers
• C - Read Memory Address
• C - Printing Variable's Address
• C - printf() Examples & Variations

C Operators

• C - Operators Precedence & Associativity
• Operators Vs. Operands
• C - Unary Operators
• C - Equality Operators
• C - Logical AND (&&) Operator
• C - Logical OR (||) Operator
• C - Logical NOT (!) Operator
• C - Modulus on Negative Numbers
• C - Expression a=b=c (Multiple Assignment) Evaluates
• C - Expression a==b==c (Multiple Comparison) Evaluates
• C - Complex Return Statement Using Comma Operator
• C - Comma Operator
• C - Bitwise Operators
• C - Bitwise One's Compliment
• C - Modulus of Float or Double Numbers

C Conditional Statements

• C - If Else Statements
• C - Switch Case
• C - Switch Statements Features, Disadvantages
• C - Using Range With Switch

C Control Statements

• C - 'goto' Statement
• C - break & continue
• Print Numbers From 1 to N Using goto
• C - Looping
• C - Looping Programs
• C - Nested Loops
• C - Entry Controlled Vs. Exit Controlled Loops
• C - Sentinel Vs. Counter Controlled Loops
• C - Use for Loop as Infinite Loop

C Strings

• C - Strings in C language programming
• C - string.h Functions
• C - memcpy() Function
• C - Write Your Own memcpy()
• C - memset() Function
• C - Write Your Own memset()

C Functions

• C - Library & User-define Functions
• C - Static Functions
• C - Scope of Function Parameters
• C - Recursion
• C - Recursion Examples

C Arrays

• C - Arrays
• More on Arrays
• C - Properties/Characteristics of Array

C Structure and Unions

• C Structures
• C - Initialize a Structure in Accordance
• C - Size of Structure With No Members
• C -Pointer to Structure
• C - Nested Structure Initialization
• C - Nested Structure With Examples
• C - Size of Structure
• C - Copy Complete Structure in Byte Array
• C Union
• C - Pointer to Union

C Pointers

• C - Pointers
• C - Pointer Rules
• C - Pointers Declarations
• C - Pointer Address Operators
• C - Accessing Variable Using Pointer
• C - Address of (&) & Dereference (*) Operators
• C - NULL Pointer
• C - Pointers as Argument
• C - Pointer Arithmetic
• C - Pointer to an Array
• C - Evaluation of Statement '*ptr++'
• C - Pointer & Non-pointer Variables Declarations Together
• C - Pointer to an Array of Integers
• C - Pointer to Pointer
• C - void Pointer as Function Argument
• char s[] Vs. char *s
• C - Copying Integer Value to Char Buffer & Vice Versa
• C - Call by Reference Vs. Call by Value
• C - Typedef Function Pointer

C Preprocessor Directives

• Recommendation for defining a macro in C language
• Macro expansion directives (#define, #undef) in C language
• Complex macro with arguments (function like macro) in C language
• C language #ifdef, #else, #endif Pre-processor with Example
• C language #if, #elif, #else, #endif Pre-processor with Example
• Parameterized Macro - we cannot use space after the Macro Name
• Stringizing Operator (#) in C
• Token Pasting Directive Operator (##) in C

C Command-line Arguments

• C language Command Line Arguments

C File Handlings

• C - Basics of File Handling
• C - File Handling Programs

C Graphics

• C - Graphics Modes
• C - Using Colors in Text Mode
• C - More on Graphics Modes
• C - OUTTEXTXY() & SETTEXTSTYLE() Functions
• C - Draw Circle & Rectangle
• C - graphics.h Functions
• C - More Graphics-related Interesting Functions

C Advance Topics

• C - Process Identification (pid_t)
• C - getpid() & getppid()
• C - Rrules For Writing C/C++ Program
• C - Tips For Embedded Development
• C - Optimization Techniques
• C Vs. Embedded C
• C- File Management System Calls
• C/C++ Multithreading
• C/C++ - Sum of Array Using Multithreading

C Tips and Tricks

• C - Copy Two Bytes Int. to Byte Buffer
• C - Is Pre-increment Faster than Post-increment?
• C - Create Delay Function
• Why should We use 'f' With Float Literal in C?
• C - Replacing a Part of String
• C- Comparing Number of Characters of Two Strings
• C - Safest Way to Check Value Using ==
• C- Check EVEN or ODD W/O % Operator
• C- Use Single Byte to Store 8 Values
• C- Funny Trick to Use C++ in C
• C - Trick to Print Maximum Value of an unsigned int
• C - Print Maximum Value of an unsigned int using One's Compliment (~) Operator in C
• Why we should use switch instead of if else?
• How to initialize array elements with hexadecimal values in C?
• How should we declare/define a pointer variable?

C Important Topics

• C - Working With Hexadecimal
• C - Working With octal
• C - Convert ASCII String (char[]) to BYTE Array
• C - Convert ASCII String (char[]) to Octal String
• C - Convert ASCII String (char[]) to Hex String
• C - Assign Binary Calue in a Variable Directly
• C - Check Particular Bit is SET or Not
• C- Set, Clear, & Toggle a Bit
• C - Value of 'EOF'
• C - Print printf("Hello world."); Using printf()
• C - Print Text in New Line w/O Using '\n'
• C - Return 0 From int main()
• 'Super Loop' Architecture for Embedded C
• C - Executing System Commands
• C - Infix To Postfix Conversion Using Stack
• C - Evaluation of Postfix Expressions Using Stack
• C - Polynomial Addition Using Structure
• C - conio.h Functions
• SQLite with C language
• C - SQL Table Creation, Insertion

C Practice

• C - Aptitude Questions
• C - Interview Questions
• C – MCQs
• C - Find Output Programs