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

C Interview Questions

Questions Answers Views Company eMail

What is the difference between void main() and int main()?

1 698

What are static functions?

1 601

How to avoid buffer overflow?

1 586

What are function pointers? Provide an example.

1 626

Explain command-line arguments in C.

1 620

What are static variables, and where are they stored?

2 674

What is a const pointer, and how does it differ from a pointer to a const?

2 677

. Explain the differences between fork() and exec() in C

2 794

How does the C program handle segmentation faults?

2 968

What is the difference between malloc() and realloc()?

2 894

Explain the concept of "dangling pointers" in C.

2 964

How do you prevent buffer overflows in C?

2 918

What is the restrict keyword in C?

2 740

Explain the difference between struct and union.

2 759

What is the purpose of #pragma directives in C?

2 789

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Un-Answered Questions { C }

Create a structure to specify data on students as given below: Roll number, Name, Department, Course, and Year of joining. Assume that there are not more than 450 students in the collage. (a) Write a function to print the names of all students who joined in the last 3 years. (b) Write a function to print the data of a student whose roll numbers are divisible by 4.

1040

How can I find out how much free space is available on disk?

977

Is c language still used?

904

What are the different types of control structures?

952

What is a void * in c?

997

List a few unconditional control statement in c.

913

Write a program to generate random numbers in c?

1019

What is a macro in c preprocessor?

1022

Explain the use of bit fieild.

1072

Explain how do you view the path?

1054

What is ponter?

1196

What is variable declaration and definition in c?

835

Is there any possibility to create customized header file with c programming language?

973

Given a valid 24 hour format time find the combination of the value and write a program ,do not hard the value and if any other inputs provided should work with the logic implemented Input: 11:30 Output: 13:10 Input: 18:25 Output: 21:58

1449

Can we assign integer value to char in c?

1115

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