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()?

1 918

What are static functions?

1 809

How to avoid buffer overflow?

1 815

What are function pointers? Provide an example.

1 852

Explain command-line arguments in C.

1 821

What are static variables, and where are they stored?

2 1026

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

2 984

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

2 1019

How does the C program handle segmentation faults?

2 1375

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

2 1148

Explain the concept of "dangling pointers" in C.

2 1352

How do you prevent buffer overflows in C?

2 1151

What is the restrict keyword in C?

2 1003

Explain the difference between struct and union.

2 1008

What is the purpose of #pragma directives in C?

2 1045

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Un-Answered Questions { C }

please send me the code for multiplying sparse matrix using c

2219

Why dont c comments nest?

1107

how can i write a program that prints out a box such that whenever i press any key8(coordinate number) on the keyboard, the box moves.

1734

what is use of malloc and calloc?

1946

Write a program for finding factorial of a number.

1140

How can I call a function with an argument list built up at run time?

1285

Why doesn't C support function overloading?

2858

In a header file whether functions are declared or defined?

1171

Why is not a pointer null after calling free?

1071

Describe the modifier in c?

1142

The file stdio.h, what does it contain?

1212

What is the heap in c?

1123

What is the explanation for prototype function in c?

1029

The number of bytes of storage occupied by short, int and long are a) 2, 2 and 4 b) 2, 4 and 4 c) 4, 4 and 4 d) none

1303

What is break statement?

1173

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