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

C Interview Questions

Questions Answers Views Company eMail

what is compiler

7 11200

main() { printf(5+"Vidyarthi Computers"); }

6 11006

how many error occurs in C language ?

Infosys, Wipro,

22 47002

how many times of error occur in C

11 16893

no consistent academics. how to answer the question

2283

how many header file is in C language ?

College School Exams Tests, CTS, IBM, IMS, Infosys, ME, Sign Solutions, Wipro, XVT,

44 80936

How can I implement opaque (abstract) data types in C? What's the difference between these two declarations? struct x1 { ... }; typedef struct { ... } x2;

2 9952

Suppose I want to write a function that takes a generic pointer as an argument and I want to simulate passing it by reference. Can I give the formal parameter type void **, and do something like this? void f(void **); double *dp; f((void **)&dp);

1 3652

what is the differance between pass by reference and pass by value.

Infosys,

7 12693

what is the difference between arrays and linked list

MAHINDRA, Tech Mahindra, Wipro,

26 89651

There are 3 baskets of fruits with worng lables,one basket has apple,another basket has orange,another has combination of apple and orange,what is the least way of interchange the lables.

Cisco, Google, MBT,

15 27583

Write a programme to find even numbers without using any conditional statement?

ADD Software, Infosys,

3 11636

Write a program for the following series: 1*3*5-2*4*6+3*5*7-4*6*8+.................up to nterms

Convex Digital,

5 9745

Software Interview Questions

CAT,

1 4290

How do you write a program which produces its own source code as its output?

4 10846

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Un-Answered Questions { C }

What is meant by type casting?

1054

How can I read a binary data file properly?

1176

Does c have function or method?

1003

Explain the difference between strcpy() and memcpy() function?

1008

What is the use of sizeof?

1021

What is the difference between int main and void main in c?

1181

How can you determine the size of an allocated portion of memory?

1309

How can you increase the size of a statically allocated array?

1081

What is the function of this pointer?

1344

Why is c not oop?

980

Can i use “int” data type to store the value 32768? Why?

1190

What are shell structures used for?

1053

What is call by reference in functions?

1453

What is use of pointer?

1090

Why do we use int main?

1103

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