C Interview Questions
Questions Answers Views Company eMail

Why doesn't C support function overloading?

2 1594

Why n++ execute faster than n+1 ?

2 1819

What are the advantages of Macro over function?

1 1182

What is the difference between struct and union in C?

1 555

What is call by reference in functions?

1 549

What is pass by reference in functions?

313

What is a memory leak? How to avoid it?

1 559

What is Dynamic memory allocation in C? Name the dynamic allocation functions.

1 545

What is typedef?

1 657

Why is it usually a bad idea to use gets()? Suggest a workaround.

1 888

What are dangling pointers? How are dangling pointers different from memory leaks?

1 610

What is the difference between ā€˜gā€™ and ā€œgā€ in C?

1 2493

Add Two Numbers Without Using the Addition Operator

347

Subtract Two Number Without Using Subtraction Operator

346

Multiply an Integer Number by 2 Without Using Multiplication Operator

310


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Un-Answered Questions { C }

Explain the concept and use of type void.

619


What is restrict keyword in c?

632


Using which language Test cases are added in .ptu file of RTRT unit testing???

3573


What is modifier & how many types of modifiers available in c?

596


What is the purpose of macro in C language?

655






Implement bit Array in C.

666


What is realloc in c?

571


When should a type cast not be used?

616


What should malloc(0) do?

603


hi, which software companys will take,if d candidate's % is jst 55%?

1650


What is difference between %d and %i in c?

680


Where can I get an ansi-compatible lint?

632


Explain how can I manipulate strings of multibyte characters?

769


Explain what is wrong with this program statement?

612


Which is an example of a structural homology?

768