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?

1103

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

1070

What should malloc() do?

1168

How do I round numbers?

1008

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

1018

How can I change their mode to binary?

1110

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

1214

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

1166

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

1185

I have seen function declarations that look like this

1041

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

1171

What is a pointer variable in c language?

1103

How can I do peek and poke in c?

1076

Did c have any year 2000 problems?

1108

What is the correct declaration of main?

1206

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Un-Answered Questions { C }

What is the data segment that is followed by c?

1082

Combinations of fibanocci prime series

1609

When reallocating memory if any other pointers point into the same piece of memory do you have to readjust these other pointers or do they get readjusted automatically?

1269

What is the benefit of using #define to declare a constant?

1090

What is c basic?

1166

The performance of an operation in several steps with each step using the output of the preceding step a) recursion b) search c) call by value d) call by reference

1223

i got 75% in all semester am i eligible for your company

2224

What is a constant?

1059

What is the right type to use for boolean values in c? Is there a standard type?

1009

What are the 3 types of structures?

1029

How can I open a file so that other programs can update it at the same time?

1181

What is build process in c?

1148

What are c header files?

990

Do variables need to be initialized?

1041

what is a constant pointer in C

1158

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