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

C Interview Questions

Questions Answers Views Company eMail

How can I find the day of the week given the date?

2325

Why doesn't C have nested functions?

2 9162

What is the most efficient way to count the number of bits which are set in a value?

4 15111

How can I convert integers to binary or hexadecimal?

2 9335

How can I call a function, given its name as a string?

ABC Telecom,

4 12303

How do I access command-line arguments?

Bosch, Wipro,

2 9815

How can I return multiple values from a function?

6 9289

How can I invoke another program from within a C program?

8 25442

How can I access memory located at a certain address?

Verizon,

3 10421

How can I allocate arrays or structures bigger than 64K?

5 14806

How can I find out how much memory is available?

Persistent,

1 8800

How can I read a directory in a C program?

Bright Outdoor, Wipro,

2 7993

How can I increase the allowable number of simultaneously open files?

ABC,

1 5838

What's wrong with the call "fopen ("c:\newdir\file.dat", "r")"?

1 10365

Is the following code legal? struct a { int x; struct a b; }

4 13394

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Un-Answered Questions { C }

What is the difference between formatted&unformatted i/o functions?

1060

What are header files? What are their uses?

1219

What does %d do?

1279

What do you mean by Recursion Function?

1126

What are the types of i/o functions?

1345

What are the types of bitwise operator?

1115

Write the syntax and purpose of a switch statement in C.

1109

What are types of structure?

1121

Here is a neat trick for checking whether two strings are equal

1022

What is the collection of communication lines and routers called?

1128

What is console in c language?

1101

write a program to display all prime numbers

1972

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

2135

Can we change the value of #define in c?

1001

Is python a c language?

1016

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