C Foundation

What is C? C Compiler Installation C Extensions C Compiler C Interpreter C Program Structure

C Basics

C Keywords C Data Types C Identifiers C Variables C Constant C Escape Sequences C Constant and Volatile C Typecast

Operators

What is Operator C Comma Operator C Arithmetic Operators C Relational Operators C Logical Operators C Bitwise Operators C Conditional Operators C : : Operator C Operator Priority

Basic IO's

Basic IO's C Formatted Functions C Unformatted Functions C Common Functions

Control Statements

What is Control Statement C if Statement C if else Statement C Nested if Statement C Else if Statement C Break Statement C Continue Statement C Switch Statement C Goto Statement

Looping

What is Control Loop C for Loop C Nested for Loop C while Loop C Nested while Loop C do while Loop C Nested do while loop

Functions

What is Function C User Defined Functions C Recursion C Passing Parameters

Scope

Scope C Local Scope C Global Scope

Storage Classes

What is Storage Class C Auto C Extern C Static C Register

Array

What is Array C One Dimensional Array C Two Dimensional Array C Multi Dimensional Array C Arrays Of Strings

String

What is String C String Functions

Pointer

What is Pointer C Pointers Arithmetic C Pointer to Pointer C Pointers and Arrays C Pointers and Strings C Pointer to Functions Void Pointers Null Pointers C Null and Void Pointer

Structure

What is Structure C Struct within Struct C Array within Structure C Pointer to Structure C Structure and Function C Enum C Bitfield Structure C Type def

Union

What is Union

Files

What is File C read a file C write a file C File Handling C Error Handling C Low Level Disk I/O C Other file functions

Memory Allocation

What is Memory Allocation C Malloc() C Calloc() C Free() C Realloc() C Coreleft()

C Reference

All ASCII Code Basic C Questions

C Interview

C Interview Sets All Star Patterns All Number Patterns All Alphabet Patterns All Series Patterns
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs

C Interview Questions for Freshers

11. What is an escape sequence in C?

In C Programming, the word escape sequences means to escape the character from the sequences of words and give special meaning to the escaped character. Refer for More C Escape Sequences.

12. What are the different types of constants in C?

  • Integer Constant
  • Floating Point Constant
  • Character Constant
  • String Constant

Refer for More C Constants.

13. How many keywords or reserved wordsin C?

There are 32 keywords. Refer for More C Keywords.

14. Define comma(,) Operator in C?

The comma operator is used to separate two or more expression. Where first expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression. Refer for More Comma Operator.

15. Define Conditional Operator in C?

The conditional operator is sometimes called a ternary operator because it involves three operands. It is best understood by considering the following example: younger = son < father ? 18 : 40; Refer for More C Conditional Operator.

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