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

C Interview Questions

Questions Answers Views Company eMail

What's a "sequence point"?

3 8528

Why doesn't the code "int a = 1000, b = 1000; long int c = a * b;" work?

7 14129

What's wrong with "char *p; *p = malloc(10);"?

5 15773

I have a function which accepts, and is supposed to initialize,a pointer, but the pointer in the caller remains unchanged.

1 4084

I have a function which accepts a pointer to an int. How can I pass a constant like 5 to it?

3 5953

What does a run-time "null pointer assignment" error mean?

2 8036

what is meant by the "equivalence of pointers and arrays" in C?

Satyam,

3 8874

What is the real difference between arrays and pointers?

Hexaware, Logic Pro, TCS,

27 65030

How do I declare a pointer to an array?

IBM,

6 13927

How can I set an array's size at run time?

9 14117

When you call malloc() to allocate memory for a local pointer, do you have to explicitly free() it?

Aloha Technology,

2 8524

How does free() know how many bytes to free?

8 20594

What's the difference between calloc() and malloc()?

4 8547

What is alloca() and why is its use discouraged?

1 6511

What are .h files and what should I put in them?

3 6016

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Un-Answered Questions { C }

if a is an integer variable, a=5/2; will return a value a) 2.5 b) 3 c) 2 d) 0

1882

Can a variable be both const and volatile?

1071

we need to calculating INCOME TAX for the person. The INCOME TAX is as follows:- First $10000/- of income : 4% tax Next $10000/- of income : 8% tax Next $10000/- of income : 11.5% tax above $10, 00,00/- : 15% tax What is the Solution of this Question ?

1207

what is the diffrenet bettwen HTTP and internet protocol

1786

What is the difference between functions abs() and fabs()?

1085

When should you not use a type cast?

1070

Can include files be nested?

1059

What is difference between far and near pointers?

986

How can I sort more data than will fit in memory?

1042

regarding pointers concept

1980

Why c is a mother language?

965

What is the data segment that is followed by c?

1032

Write a program in c to replace any vowel in a string with z?

1075

What is the value of h?

988

cavium networks written test pattern ..

4027

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