C Interview Questions
Questions Answers Views Company eMail

Difference between strcpy() and memcpy() function?

656

Explain the use of bit fieild.

682

Difference between MAC vs. IP Addressing

613

Define Array of pointers.

608

What are the Advantages of using macro

654

Explain the use of 'auto' keyword

649

Explain how to reverse singly link list.

584

Difference between exit() and _exit() function?

630

What is the Purpose of 'extern' keyword in a function declaration?

625

What is linear search?

651

Explain the bubble sort algorithm.

610

Describe the steps to insert data into a singly linked list.

603

Define the scope of static variables.

575

Difference between malloc() and calloc() function?

637

Define Spanning-Tree Protocol (STP)

615


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Un-Answered Questions { C }

Can we declare a function inside a function in c?

557


Find duplicates in a file containing 6 digit number (like uid) in O (n) time.

2537


If I have a char * variable pointing to the name of a function ..

608


Why is sprintf unsafe?

592


Can static variables be declared in a header file?

594






What is the size of array float a(10)?

624


What is restrict keyword in c?

619


Explain what is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

617


Who is the founder of c language?

656


what do you mean by enumeration constant?

576


What is the difference between the local variable and global variable in c?

504


how do you programme Carrier Sense Multiple Access

1488


What are the types of variables in c?

559


Is main is user defined function?

568


Who developed c language and when?

561