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()?

1 854

What are static functions?

1 745

How to avoid buffer overflow?

1 734

What are function pointers? Provide an example.

1 782

Explain command-line arguments in C.

1 762

What are static variables, and where are they stored?

2 928

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

2 880

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

2 943

How does the C program handle segmentation faults?

2 1291

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

2 1071

Explain the concept of "dangling pointers" in C.

2 1249

How do you prevent buffer overflows in C?

2 1081

What is the restrict keyword in C?

2 922

Explain the difference between struct and union.

2 922

What is the purpose of #pragma directives in C?

2 975

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Un-Answered Questions { C }

What is the package for freshers(Non IIT) in amazon(hyderabad). And what is the same for those who are a contract employee.

4285

What is the function of volatile in c language?

1135

Explain what is meant by high-order and low-order bytes?

1051

Explain how can you avoid including a header more than once?

1093

What are the advantages of external class?

1071

What is the purpose of main( ) in c language?

1142

What is pointers in c?

1118

a single linked list consists of nodes a to z .print the nodes in reverse order from z to a using recursion

2781

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

1789

Where are some collections of useful code fragments and examples?

1164

Explain bit masking in c?

1143

Find MAXIMUM of three distinct integers using a single C statement

1071

What is meant by recursion?

1053

Explain how can I convert a number to a string?

1153

Read the following data in two different files File A: aaaaaaaadddddddd bbbbbbbbeeeeeeee ccccccccffffffff File B: 11111111 22222222 33333333 By using the above files print the following output or write it in the Other file as follows aaaaaaaa11111111dddddddd bbbbbbbb22222222eeeeeeee cccccccc33333333ffffffffffff

3296

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