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()?

1 852

What are static functions?

1 744

How to avoid buffer overflow?

1 732

What are function pointers? Provide an example.

1 779

Explain command-line arguments in C.

1 760

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?

2 878

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

2 943

How does the C program handle segmentation faults?

2 1290

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

2 1070

Explain the concept of "dangling pointers" in C.

2 1244

How do you prevent buffer overflows in C?

2 1081

What is the restrict keyword in C?

2 920

Explain the difference between struct and union.

2 920

What is the purpose of #pragma directives in C?

2 975

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Un-Answered Questions { C }

Differentiate between a for loop and a while loop? What are it uses?

1185

Explain how can a program be made to print the name of a source file where an error occurs?

1197

What are the advantages of Macro over function?

2024

List at least 10 sorting methods indicating their average case complexity, worst case complexity and best case complexity.

2746

What is c system32 taskhostw exe?

1027

Explain what is a const pointer?

1087

What are keywords c?

1032

What is local and global variable in c?

1206

What is selection sort in c?

1102

Can stdout be forced to print somewhere other than the screen?

1049

Why C language is a procedural language?

1039

What are header files in c?

1080

Can we assign integer value to char in c?

1254

Explain how do you sort filenames in a directory?

1042

What are the advantages of c language?

1098

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