C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

Write programs for String Reversal & Palindrome check

TISL,

1059

What are register variables? What are the advantage of using register variables?

TISL,

1189

Where are the auto variables stored?

TISL,

1147

How will you declare an array of three function pointers where each function receives two ints and returns a float?

TISL,

1362

When reallocating memory if any other pointers point into the same piece of memory do you have to readjust these other pointers or do they get readjusted automatically?

TISL,

1271

How would you obtain the current time and difference between two times?

TISL,

1291

Are bit fields portable?

EXL,

1159

How are Structure passing and returning implemented by the complier?

TISL,

1169

What the advantages of using Unions?

TISL,

1231

what is a NULL Pointer? Whether it is same as an uninitialized pointer?

TISL,

1273

What is NULL pointer?

Infosys,

1091

What are pointers?

Accenture, Tavant Technologies, Zensar,

1108

How do we open a binary file in Read/Write mode in C?

Alter,

1240

ASCII stands for

1 1566

What's a good way to check for "close enough" floating-point equality?

Celstream,

1162

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Un-Answered Questions { C }

Write a simple code fragment that will check if a number is positive or negative.

1151

How do we print only part of a string in c?

1028

how to find anagram without using string functions using only loops in c programming

3191

When should we use pointers in a c program?

1132

What is context in c?

921

Can a program have two main functions?

1129

Difference between MAC vs. IP Addressing

1148

Stimulate calculator using Switch-case-default statement for two numbers

2988

How will you find a duplicate number in a array without negating the nos ?

2135

Explain the use of keyword 'register' with respect to variables.

1040

What is getch?

1186

What are loops c?

1054

Why array is used in c?

1016

Write a C Program That Will Count The Number Of Even And Odd Integers In A Set using while loop

2156

What is double pointer?

997

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