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

C Interview Questions

Questions Answers Views Company eMail

What is a structure in c language. how to initialise a structure in c?

1067

Describe the modifier in c?

1102

Describe the difference between = and == symbols in c programming?

1375

What is the general form of function in c?

1022

What is the correct code to have following output in c using nested for loop?

1084

What are the key features in c programming language?

1074

What is the method to save data in stack data structure type?

1087

What are the general description for loop statement and available loop types in c?

1129

What are the valid places to have keyword “break”?

1091

What are the ways to a null pointer can use in c programming language?

1137

Describe newline escape sequence with a sample program?

1121

What are reserved words with a programming language?

1137

What is the explanation for cyclic nature of data types in c?

1216

What is the process to create increment and decrement stamen in c?

1061

Is that possible to store 32768 in an int data type variable?

1080

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Un-Answered Questions { C }

What is indirection? How many levels of pointers can you have?

1141

An application package has been provided to you without any documents for the following application. The application needs to be tested. How will you proceed?

1235

using only #include and #include Write a program in C that will read an input from the user and print it back to the user if it is a palindrome. The string ends when it encounters a whitespace. The input string is at most 30 characters. Assume the string has no spaces and distinguish between and lowercase. So madam is a palindrome, but MadAm is not a palindrome. Use scanf and %s to read the string. Sample Test: Enter a string: madam madam is a palindrome. Enter a string: 09023 09023 is not a palindrome.

1812

What is the difference between typedef and #define?

1062

What is the use of void pointer and null pointer in c language?

1127

write a program to display all prime numbers

1972

Are enumerations really portable?

1027

What does %2f mean in c?

1226

What is the use of bitwise operator?

1130

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?

1053

What is static volatile in c?

1024

What is a volatile keyword in c?

1165

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

1059

What are the types of unary operators?

1191

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