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

C Interview Questions

Questions Answers Views Company eMail

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2160

what r callback function?

1 5045

While(1) { } when this loop get terminate is it a infinite loop?

5 8043

What is the purpose of Scanf Print, getchar, putchar, function?

3 24064

What is the diffrent between while and do while statement ?

6 10091

what is the difference between const volatile int i & volatile const int j;

HCL,

2 17178

what are the uses of structure?

HCL,

7 10490

Difference between fopen() and open()?

Aricent,

3 16340

Difference Between embedded software and soft ware?

Bosch,

1 10110

explain about storage of union elements.

ABC, Bosch,

2 7096

program to find which character is occured more times in a string and how many times it has occured? for example in the sentence "i love india" the output should be i & 3.

3 7580

Write a C program to fill a rectangle using window scrolling

1 5711

for example user gives input as " 20 or 20.0 or rs 20.0 or 20.00 or rs20 and so .. on " and the output should be stored as " rs.20.00 " in a variable

2 4502

how to convert an char array to decimal array

4 9604

can anyone proide me reading material on svit00ef27@yahoo.com please thanx in advance

IBM,

1 3546

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Un-Answered Questions { C }

Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

1043

Do pointers take up memory?

1096

What is a void pointer? When is a void pointer used?

1034

Why does everyone say not to use scanf? What should I use instead?

1384

Why string is used in c?

960

Write a code on reverse string and its complexity.

995

List the difference between a While & Do While loops?

1059

Explain about C function prototype?

1037

In which layer of the network datastructure format change is done

1844

Can we change the value of static variable in c?

986

What is the use of function overloading in C?

1115

Explain the difference between null pointer and void pointer.

1046

Write a program to use switch statement.

1090

Explain do array subscripts always start with zero?

1194

What is integer constants?

1029

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