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

C Interview Questions

Questions Answers Views Company eMail

What is fflush() function?

1080

What is the difference between exit() and _exit() function in c?

1019

What is null pointer in c?

948

Where define directive used?

1032

What are bitwise shift operators in c programming?

1038

Do you know null pointer?

975

What are # preprocessor operator in c?

1044

Can you please explain the difference between exit() and _exit() function?

993

What is formal argument?

1092

Do you know the purpose of 'register' keyword?

968

What is the mean of function?

1064

Tell me what are bitwise shift operators?

1091

What is c standard library?

1146

What are c preprocessors?

1124

Explain the difference between strcpy() and memcpy() function?

949

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Un-Answered Questions { C }

What is #include called?

995

main() { int i = 10; printf(" %d %d %d ", ++i, i++, ++i); }

1090

Explain heap and queue.

1011

How will you find a duplicate number in a array without negating the nos ?

2082

What are the uses of a pointer?

1101

swap 2 numbers without using third variable?

1083

hi any body pls give me company name interview conduct "c" language only

2231

What is null pointer constant?

1060

Differentiate between ordinary variable and pointer in c.

1101

How can variables be characterized?

2129

What are run-time errors?

1054

What is hashing in c?

1101

How can you convert integers to binary or hexadecimal?

979

if p is a string contained in a string?

1795

How can I delete a file?

1016

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