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()?

1 754

What are static functions?

1 647

How to avoid buffer overflow?

1 627

What are function pointers? Provide an example.

1 672

Explain command-line arguments in C.

1 666

What are static variables, and where are they stored?

2 754

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

2 731

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

2 847

How does the C program handle segmentation faults?

2 1044

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

2 951

Explain the concept of "dangling pointers" in C.

2 1039

How do you prevent buffer overflows in C?

2 970

What is the restrict keyword in C?

2 797

Explain the difference between struct and union.

2 808

What is the purpose of #pragma directives in C?

2 853

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Un-Answered Questions { C }

When would you use a pointer to a function?

993

What is graph in c?

1007

Hai sir, I had planned to write the NIC scientific engineer exam , plz post the sample question......

2136

What is the purpose of realloc()?

1093

What is this infamous null pointer, anyway?

988

Does sprintf put null character?

987

What does s c mean in text?

1054

what is uses of .net

1684

Write a C program on Centralized OLTP, Decentralized OLTP using locking mechanism, Semaphore using locking mechanism, Shared memory, message queues, channel of communication, sockets and a simple program on Saving bank application program using OLTP in IPC?

2625

hi folks i m approching for h1 b interview on monday 8th of august at montreal and i m having little problem in my approval notice abt my bithdate my employer has made a mistake while applying it is 12th january and istead of that he had done 18 the of january do any body have any solution for that if yes how can i prove my visa officer abt my real birthdate it urgent please let me know guys thaks dipesh patel

1819

Do you know pointer in c?

992

What is int main () in c?

1027

What is #line used for?

989

Can a pointer point to null?

1022

an expression contains relational operators, assignment operators, and arithmatic operstors. In the absence of parentheses, they will be evaluated in which of the following order a) assignment, relational, arithematic b) arithematic, relational, assignment c) relational, arithematic, assignment d) assignment, arithematic, relational

1259

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