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C Interview Questions
Questions Answers Views Company eMail

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

 601

How can you read a directory in a C program?

 658

How can you find out how much memory is available?

 620

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

 690

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

 717

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

TISL,

677

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,

632

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

TISL,

651

Are the variables argc and argv are local to main?

TISL,

794

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

TISL,

622

Write a program to generate the Fibinocci Series

TISL,

673

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

TISL,

651

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

TISL,

748

In a header file whether functions are declared or defined?

TISL,

634

What is difference between Structure and Unions?

TISL,

644

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Un-Answered Questions { C }

If a five digit number is input through the keyboard, write a program to print a new number by adding one to each of its digits.For example if the number that is input is 12391 then the output should be displayed as 23402

3254

The % symbol has a special use in a printf statement. How would you place this character as part of the output on the screen?

773

Given two strings S1 and S2. Delete from S2 all those characters which occur in S1 also and finally create a clean S2 with the relevant characters deleted.

839

what is recursion in C

620

Can a pointer be null?

569




How can I manipulate strings of multibyte characters?

643

Do you know null pointer?

617

how much salary u want ? why u join in our company? your domain is core sector why u prefer software ?

1510

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

593

Is c programming hard?

581

What is the use of a semicolon (;) at the end of every program statement?

780

Explain what is wrong in this statement?

639

What is typedef struct in c?

592

What is the difference between a function and a method in c?

568

Explain what is the difference between functions getch() and getche()?

614

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