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C Interview Questions
Questions Answers Views Company eMail

How do you access command-line arguments?

1 2145

what does ‘#include’ mean?

TCS,

1 3626

what is the difference between #include<> and #include”…”?

4 4113

what are # pragma staments?

1190

what is the most appropriate way to write a multi-statement macro?

1 3540

what is the disadvantage of using macros?

Wipro,

1 4878

what is the self-referential structure?

1 4097

can a union be self-referenced?

1 6390

What is a pointer?

ADP, IFFCO,

1 3041

What is the Lvalue and Rvalue?

2 4941

what is a void pointer?

2 2915

why arithmetic operation can’t be performed on a void pointer?

1 6264

compare array with pointer?

1 3001

what is a NULL pointer?

2 2709

what does ‘segmentation violation’ mean?

1 2814


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Un-Answered Questions { C }

How many main () function we can have in a project?

212


Why header files are used?

229


In c language can we compile a program without main() function?

212


How can I open files mentioned on the command line, and parse option flags?

222


What is the difference between the expression “++a” and “a++”?

241






Define VARIABLE?

279


Explain is it better to use a pointer to navigate an array of values, or is it better to use a subscripted array name?

279


Describe dynamic data structure in c programming language?

217


How do you determine whether to use a stream function or a low-level function?

223


What does %p mean?

191


What is main () in c language?

220


What is indirection in c?

236


Differentiate between full, complete & perfect binary trees.

229


Why are all header files not declared in every c program?

230


What is hashing in c language?

218