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()?

1 778

What are static functions?

1 677

How to avoid buffer overflow?

1 651

What are function pointers? Provide an example.

1 693

Explain command-line arguments in C.

1 690

What are static variables, and where are they stored?

2 797

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

2 771

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

2 878

How does the C program handle segmentation faults?

2 1126

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

2 982

Explain the concept of "dangling pointers" in C.

2 1106

How do you prevent buffer overflows in C?

2 998

What is the restrict keyword in C?

2 821

Explain the difference between struct and union.

2 840

What is the purpose of #pragma directives in C?

2 874

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Un-Answered Questions { C }

What is boolean in c?

1044

while initialization of array why we use a[][2] why not a[2][]...?

2320

What is the time and space complexities of merge sort and when is it preferred over quick sort?

1023

Disadvantages of C language.

1061

Explain #pragma statements.

990

What is meant by initialization and how we initialize a variable?

1013

Why & is used in scanf in c?

1055

difference between object file and executable file

6658

what is the format specifier for printing a pointer value?

986

Why is c called c not d or e?

1058

What is wrong in this statement? scanf(“%d”,whatnumber);

1201

Can we declare variables anywhere in c?

962

What are the types of type qualifiers in c?

1046

What is function prototype in c language?

994

Which is more efficient, a switch statement or an if else chain?

981

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