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

C Interview Questions

Questions Answers Views Company eMail

How do you access command-line arguments?

1 3602

what does ‘#include’ mean?

TCS,

1 5691

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

5 7641

what are # pragma staments?

2007

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

1 5347

what is the disadvantage of using macros?

Wipro,

1 6316

what is the self-referential structure?

1 5435

can a union be self-referenced?

1 7941

What is a pointer?

ADP, IFFCO,

1 4519

What is the Lvalue and Rvalue?

2 6827

what is a void pointer?

2 4749

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

1 7700

compare array with pointer?

1 4248

what is a NULL pointer?

2 4299

what does ‘segmentation violation’ mean?

1 4294

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Un-Answered Questions { C }

What is string function in c?

960

Subtract Two Number Without Using Subtraction Operator

800

I have a varargs function which accepts a float parameter?

1013

What is bubble sort in c?

1018

How do you sort filenames in a directory?

1135

What are the scope of static variables?

1137

Why header files are used?

1087

Describe newline escape sequence with a sample program?

1087

Write a c program to build a heap method using Pointer to function and pointer to structure ?

4643

What is the difference between NULL and NUL?

1259

Is c weakly typed?

977

What is .obj file in c?

1037

What is integer constants?

1032

Explain that why C is procedural?

1105

Does c have circular shift operators?

1202

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