C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

How can I swap two values without using a temporary?

1149

How do I send escape sequences to control a terminal or other device?

1121

What should malloc() do?

1216

How do I round numbers?

1050

Here is a neat trick for checking whether two strings are equal

1070

How can I change their mode to binary?

1182

If null and 0 are equivalent as null pointer constants, which should I use?

1306

How do I create a directory? How do I remove a directory (and its contents)?

1214

How can a process change an environment variable in its caller?

1235

I have seen function declarations that look like this

1091

How can I find out the size of a file, prior to reading it in?

1223

What is a pointer variable in c language?

1149

How can I do peek and poke in c?

1135

Did c have any year 2000 problems?

1152

What is the correct declaration of main?

1261

Post New C Questions

Un-Answered Questions { C }

Explain the advantages and disadvantages of macros.

1140

what are bit fields? What is the use of bit fields in a structure declaration?

2198

What is the size of a union variable?

1096

What is ## preprocessor operator in c?

1128

Which driver is a pure java driver

1684

Explain Basic concepts of C language?

1230

What is c language used for?

1026

Write a program to find the biggest number of three numbers in c?

1089

How does struct work in c?

1132

Explain how can I read and write comma-delimited text?

1224

What is the meaning of ?

1080

What is the purpose of realloc()?

1195

What is call by reference in functions?

1532

What extern c means?

1056

How do you use a pointer to a function?

1146

For More Un-Answered { C } Questions Click Here