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?

1188

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

1124

What is null pointer in c?

1042

Where define directive used?

1140

What are bitwise shift operators in c programming?

1131

Do you know null pointer?

1072

What are # preprocessor operator in c?

1166

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

1080

What is formal argument?

1189

Do you know the purpose of 'register' keyword?

1064

What is the mean of function?

1189

Tell me what are bitwise shift operators?

1172

What is c standard library?

1269

What are c preprocessors?

1239

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

1061

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Un-Answered Questions { C }

How do I swap bytes?

1117

List some of the static data structures in C?

1240

Why is sizeof () an operator and not a function?

1089

p*=(++q)++*--p when p=q=1 while(q<=6)

1813

Write a program of prime number using recursion.

1126

What is the purpose of realloc()?

1195

What is default value of global variable in c?

1046

What are linked lists in c?

1177

What is pivot in c?

1075

How can I avoid the abort, retry, fail messages?

1183

Write the Program to reverse a string using pointers.

1068

Here is a good puzzle: how do you write a program which produces its own source code as output?

1166

C program to find all possible outcomes of a dice?

2408

Why is event driven programming or procedural programming, better within specific scenario?

2480

Program to find the sum of digits of a given number until the sum becomes a single digit. (e.g. 12345=>1+2+3+4+5=15=>1+5=6)

1206

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