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)?

1068

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

1095

What is the best way of making my program efficient?

1031

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

1030

What is assert and when would I use it?

1004

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

1138

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

1219

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

1082

Why cant I open a file by its explicit path?

1031

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

1050

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?

1049

What are the complete rules for header file searching?

1075

How can I direct output to the printer?

1319

Are pointers integers in c?

1073

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Un-Answered Questions { C }

What are the types of data files?

1200

What are 'near' and 'far' pointers?

1039

Why are some ANSI/ISO Standard library routines showing up as undefined, even though I've got an ANSI compiler?

1127

Place the #include statement must be written in the program?

1036

What is calloc()?

1071

What is extern keyword in c?

1129

why use functions a) writing functions avoids rewriting the same code over and over b) using functions it becomes easier to write programs and keep track of what they are doing c) a & b d) none of the above

1155

what is diffrence between linear and binary search in array respect to operators?what kind of operator can be used in both seach methods?

1859

What are extern variables in c?

992

What is the difference between declaring a variable by constant keyword and #define ing that variable?

3366

Why header file is used in c?

1092

Is null equal to 0 in sql?

1149

What is #line in c?

1014

Is c easier than java?

1072

Why ca not I do something like this?

1010

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