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C Interview Questions
Questions Answers Views Company eMail

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

 1843

Why doesn't C have nested functions?

 2 8147

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

 4 13572

How can I convert integers to binary or hexadecimal?

 2 8276

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

ABC Telecom,

4 10769

How do I access command-line arguments?

Bosch, Wipro,

2 8358

How can I return multiple values from a function?

 6 7233

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

 8 22997

How can I access memory located at a certain address?

Verizon,

3 8981

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

 5 12976

How can I find out how much memory is available?

Persistent,

1 8005

How can I read a directory in a C program?

Bright Outdoor, Wipro,

2 6955

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

ABC,

1 5001

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

 1 9593

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

4 11657

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Un-Answered Questions { C }

What is difference between structure and union in c?

531

Why does not c have an exponentiation operator?

620

When should the register modifier be used? Does it really help?

596

What is getche() function?

597

The file stdio.h, what does it contain?

653




Write a c program to demonstrate character and string constants?

1672

Explain what is the stack?

623

What is a built-in function in C?

778

What are extern variables in c?

537

What is #include in c?

587

What are preprocessor directives?

662

What is NULL pointer?

668

Write a program to input the price of 1 burger and the number of burgers eaten by a group of friends .print the total amount to be paid by the group?

566

What is getch() function?

637

How does pointer work in c?

604

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