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

C Interview Questions

Questions Answers Views Company eMail

What is main void in c?

1 1376

Can we declare variables anywhere in c?

1002

What is extern variable in c with example?

997

Why we use stdio h in c?

1037

Why void is used in c?

1019

What is the value of uninitialized variable in c?

1033

What is the use of typedef in c?

1036

What is volatile variable in c?

1095

What is variable and explain rules to declare variable in c?

1094

Why we use break in c?

1014

Is return a keyword in c?

1090

What is scope and lifetime of a variable in c?

1074

What are the types of variables in c?

1023

What are external variables in c?

1107

Why main is not a keyword in c?

1260

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Un-Answered Questions { C }

how can f be used for both float and double arguments in printf? Are not they different types?

1072

What is spaghetti programming?

1139

Is void a keyword in c?

986

Write a program to print all permutations of a given string.

1201

Does free set pointer to null?

1009

Write a C program on Centralized OLTP, Decentralized OLTP using locking mechanism, Semaphore using locking mechanism, Shared memory, message queues, channel of communication, sockets and a simple program on Saving bank application program using OLTP in IPC?

2693

What is c language and why we use it?

1077

Take an MxN matrice from user and then sum upper diagonal in a variable and lower diagonal in a separate variables. Print the result

1910

Is file a keyword in c?

935

Is c is a procedural language?

1099

If errno contains a nonzero number, is there an error?

1377

Can we change the value of static variable in c?

1034

What is the use of a static variable in c?

1062

Write a program to find the biggest number of three numbers in c?

1051

How a string is stored in c?

1074

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