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

C Interview Questions

Questions Answers Views Company eMail

Is there a way to have non-constant case labels (i.e. Ranges or arbitrary expressions)?

1070

What does it mean when the linker says that _end is undefined?

1098

What is the best way of making my program efficient?

1037

How can I display a percentage-done indication that updates itself in place, or show one of those twirling baton progress indicators?

1035

What is assert and when would I use it?

1010

Why does notstrcat(string, "!");Work?

1144

How can I get the current date or time of day in a c program?

1222

How do I read the arrow keys? What about function keys?

1086

Why cant I open a file by its explicit path?

1035

What is the most efficient way to count the number of bits which are set in an integer?

1057

Once I have used freopen, how can I get the original stdout (or stdin) back?

1075

What is a good way to implement complex numbers in c?

1053

What are the complete rules for header file searching?

1089

How can I direct output to the printer?

1321

Are pointers integers in c?

1076

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Un-Answered Questions { C }

What is the concatenation operator?

1150

What is the method to save data in stack data structure type?

1087

What is #error and use of it?

1284

What are register variables? What are the advantage of using register variables?

1191

What is #define?

1114

What is a protocol in c?

1004

Is c++ based on c?

1072

Why c language is called c?

1015

Create a structure to specify data on students given below: Roll number, Name, Department, Course, Year of joining Assume that there are not more than 450 students in the college. 1.write a function to print names of all students who joined in a particular year 2.write a function to print the data of a student whose roll number is given

3064

Explain #pragma statements.

1051

Explain what are multidimensional arrays?

1071

What is wrong with this program statement?

1037

Explain what math functions are available for integers? For floating point?

1112

Suggesting that there can be 62 seconds in a minute?

1049

Difference between MAC vs. IP Addressing

1149

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