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

C Interview Questions

Questions Answers Views Company eMail

How can you increase the allowable number of simultaneously open files?

1162

How can you read a directory in a C program?

1148

How can you find out how much memory is available?

1072

How can you allocate arrays or structures bigger than 64K?

1148

How can you call a function, given its name as a string?

1159

Differentiate between a for loop and a while loop? What are it uses?

TISL,

1188

Function which gives a pointer to a binary trees const an integer value at each code, return function of all the nodes in binary tree.?

Infosys,

1073

How can you increase the size of a dynamically allocated array?

TISL,

1192

Are the variables argc and argv are local to main?

TISL,

1320

How can you increase the size of a statically allocated array?

TISL,

1081

Write a program to generate the Fibinocci Series

TISL,

1242

what do the 'c' and 'v' in argc and argv stand for?

TISL,

1176

What does the error 'Null Pointer Assignment' mean and what causes this error?

TISL,

1224

In a header file whether functions are declared or defined?

TISL,

1128

What is difference between Structure and Unions?

TISL,

1256

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Un-Answered Questions { C }

In C, What is the #line used for?

2214

Write a program that takes a 5 digit number and calculates 2 power that number and prints it(should not use big integers and exponential functions)

6876

Explain the difference between malloc() and calloc() function?

1057

Explain what are preprocessor directives?

1067

What is a #include preprocessor?

1157

A function can make the value of a variable available to another by a) declaring the variable as global variable b) Passing the variable as a parameter to the second function c) Either of the two methods in (A) and (B) d) binary stream

1175

A variable that is defined in a specified portion of a program but can be used throughout the program a) global variable b) local variable c) character d) none

1249

i have to apply for the rbi for the post of officers. i need to know abt the entrance questions whether it may be aps or techinical....

1979

Can include files be nested? How many levels deep can include files be nested?

1172

What is difference between static and global variable in c?

1059

Do you know the purpose of 'register' keyword?

1023

What is the purpose of 'register' keyword?

1101

a formula,a series of steps,or well defined set of rules for solving a problem a) algorithem b) program c) erdiagram d) compiler

1080

how to execute a program using if else condition and the output should enter number and the number is odd only...

2303

What is the purpose of 'register' keyword in c language?

1032

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